LYNN A. OLZAK

       

Department of Psychology, Miami University                                            3440 Aston Place

of Ohio, Oxford, OH 45056                                                                      Cincinnati, OH  45241

(513) 529-1754                                                                                       (513) 936-9460

 

                                                                                    

 

                                                                                               

                                                                     EDUCATION

       

1969‑1973         B.A.  with  honors, Psychology, June, 1973.  University of California, Santa                                                Barbara. 

1974‑1975         M.A. Psychology, August, 1975.  San Jose State University (learning and memory,                                                experimental methods).

1976‑1981         Ph.D. Psychology, March, 1981. University of California, Los Angeles.  (Cognitive: visual perception and psychophysics.  Minor areas: quantitative psychology and statistics; developmental psychology).  James P. Thomas,  Advisor.  

1982‑1983         NIMH Postdoctoral Trainee.  Department of Psychology, Stanford University (Color

                        Vision)  Brian Wandell, Sponsor

 

 

                                                   EXTERNAL GRANTS & CONTRACTS

       

            "Linear Structural Equation Models of Target Acquisition Performance".  Human Factors Branch, Naval Weapons Center, China  Lake, CA.  Contract No. N60530‑78‑C‑0240 with Hughes Aircraft Co.  Oct 1978‑Oct.1979; Direct Costs: $80,000.  Principal Investigator.

            "Scale of Chromatic/Luminance Contrast for Visual Aids to Navigation  Mission for the U. S. Coast Guard".  Department of Transportation, United States Coast Guard (Contract No. DTCG39‑ 85‑C‑80205 with UCLA; Award:  Oct. 1985‑Oct. 1988; Direct Costs: $120,481.  Principal Investigator.  (James P. Thomas, co-PI).

            "Mechanisms of Spatial Pattern Vision".  Department of Health and  Human Services,  Public Health Service, National Eye Institute NEI  grant  EY00360 with UCLA.  Award (5 yrs):  Aug. 1, 1989 ‑ July 31, 1994, Direct Costs: $417,292.  Co‑PI with James P. Thomas. 

            "Mechanisms of Spatial Pattern Vision. NEI  grant  EY00360 with UCLA.  Award  (3 yrs): Aug. 1, 1994 ‑ July 31, 1997.  Direct Costs:  $331,572.  Co‑PI with James P. Thomas.  No cost extension through July 1998.

“Neural Mechanisms Underlying Visual Shape Perception”.  Miami University of Ohio Committee on Faculty Research  Summer Research Appointment.  May 10-July 19, 1999.  $5000.

            "Cortical Mechanisms of Spatial Pattern Vision".  Department of Health and  Human Services,  Public Health Service, National Eye Institute NEI grant EY13953 with Miami University).  Award  (2 yrs) April 1, 2002-March 31, 2004.  Direct Costs:  $100,000.  Total Award:  $150,000.  Principal Investigator.

            “Cortical Mechanisms of Spatial Pattern Vision” Competing continuation of EY13953.  Award (3 yrs) August 1, 2004-July 31, 2008.  Direct Costs:  $150,000.  Total Award  $213,000.  Principal Investigator.

            “Cortical Mechanisms of Spatial Pattern Vision” Competing continuation of EY13953.  In revision.

 

 

                                                               INTERNAL GRANTS

                                                                             

Shoup Award April, 2005.  Office for the Advancement of Research and Scholarship, Miami University of Ohio.  $6200 

 

 

Undergraduate Sponsorships

 

2000 Summer Scholarship Sponsor, Miami University (Jessica High)  $500 to sponsor, $300 to student

2002  Undergraduate Research Award for Senior Honor thesis (Andrew Clark)  $500 to student

2003 University of Pennsylvania (Kestutis Aukstuolis) $2,000 to Miami University

 

FELLOWSHIPS, HONORS AND AWARDS

 

Fellow, Optical Society of America, Elected 2000

Alpha Delta Pi/Alpha Xi Delta Teaching Dedication Award, Miami University of Ohio,  April, 1999

University Medal, University of Helsinki,  Feb. 1995

National Institute of Mental Health Postdoctoral Fellowship, Stanford University, 1982‑83.

National Research Council Research Associate, 1981 (Declined)

UCLA Dept. of Psychology Distinguished Dissertation Award, 1981

Howard Hughes Fellow, 1977‑1980

 

                                                     PROFESSIONAL ASSOCIATIONS

 

Association  for  Research  in Vision and Ophthalmology,  Optical  Society  of America, Sigma Xi, Vision ScienceS, Ohio Miami Valley Chapter of the Society for Neurosciences

 

                                                            RESEARCH INTERESTS

 

Visual Psychophysics & Cognitive Neuroscience:  Neural mechanisms underlying:  spatial pattern perception, complex pattern processing, texture discrimination/segregation, scene/object segregation, illusory and occluded contours, intermediate-level mechanisms underlying form and object discrimination and recognition (including reading and reading disorders); color & lightness perception, constancy, visual attention, decision processes.  Collaborative Interests:  functional brain maps of visual processes in normal and abnormal populations (fMRI, single-cell recording in behaving monkeys), development of functional visual brain modules.                    

 

Quantitative Modeling: Analytic, biologically plausible quantitative models; multidimensional signal detection, geometric/vector, statistical association, multivariate (parallel/hierarchical), log‑linear, structural (LISREL), nonlinear processes, interests in neural networks & other computational approaches to low- and intermediate-level visual processing.

   

                                                             TEACHING INTERESTS

 

Undergraduate:  Perception, Cognitive Psychology, Attention, Perceptual & Cognitive Development & Aging, Statistics, Research Methods, Introduction  to  Psychology,  Quantitative Modeling of Sensory Processes, Psychophysical Methods, Linear Models.   

 

Seminars (graduate or advanced undergraduate):  perceptual processes, vision, spatial vision & pattern perception, color vision, attention, basic and/or applied psychophysics, human factors, signal detection theory, quantitative/multidimensional/computational models in vision.  Interests in co-teaching courses in biological and functional mechanisms of vision, the visual processing hierarchy (low, intermediate and high level visual phenomena and mechanisms of vision), perceptual/visual development.

 

                                                                             

EMPLOYMENT HISTORY

 

1998-present     Associate Professor, Department of Psychology, Miami University of Ohio

1994-1998         Adjunct Associate Professor; Associate Research Psychologist, Department of

                        Psychology, UCLA

1992‑1994         Adjunct Assistant Professor; Assistant Research Psychologist, Department of                                           Psychology, UCLA. 

1984‑1992         Assistant Research Psychologist; Lecturer, Department of Psychology, UCLA.

1985‑1986         Visiting Assistant Professor, Department of Psychology, Harvey Mudd College,                                          Claremont, CA.

1983‑1985         Visiting Assistant Professor, Department of Psychology, Scripps College, Claremont,                                 CA.

1982‑1983         NIMH Postdoctoral Trainee, Department of Psychology, Stanford University.

1981‑1982         Visiting Lecturer and Postdoctoral Scholar, Department of Psychology, UCLA.

1980‑1982         Associate editor/contracts manager for Handbook of Perception and Human                                              Performance, Wiley, 1986, as Consultant to University of Dayton Research Institute.                                   Located at UCLA.

1979‑1980         Research Associate, Dept. of Psychology, UCLA

1977‑1980         Member of Technical Staff, Hughes Aircraft Co., Display Systems Department, CA.

1976‑1977         Teaching Associate, Department of Psychology, UCLA

1976                 Consultant to Hughes Aircraft Company.  On‑site representative at NASA‑Ames                                         Research Center.

1974‑1975         Teaching Assistant, Department of Psychology, San Jose State University

 

 

                                                   OTHER PROFESSIONAL ACTIVITIES

Invited Addresses

 

July, 1988         Mathematical Psychology Annual Meeting, Evanston, IL.  T. D.  Wickens & L. A.                                       Olzak, "Models for ratings in a concurrent detection task.  Symposium on                                                  Probabilistic Multidimensional Models of Perception.

Feb., 1990         Department of Psychology, UC Santa Barbara.  "Orthogonal orientations are not                                         processed independently."

July, 1993         College of Optometry, University of Houston, Houston, TX.  "Building spatially                                             complex percepts from simple neural signals". 

July, 1993         School of Optometry, University of Missouri, St. Louis, Mo. "Building spatially                                            complex percepts from simple neural signals."

Feb., 1994         Department of Cognitive Sciences, UC Irvine.  "Edge and texture processors in                                           human vision."

Feb., 1994         Department of Psychology, UC Santa Cruz. "From sensation to perception:  The role                                  of second layer mechanisms in spatial pattern vision." 

June, 1994        Department of Psychology, UC Santa Barbara.  "Edge and texture mechanisms                                         in spatial vision:  characteristics and consequences."

Oct., 1994         Department of Psychology, University of Southern California. "Edge and texture                                          mechanisms in human pattern vision:  characteristics and consequences."

Feb., 1995         Department of Psychology, University of Helsinki, Finland.  "Building spatially                                             complex percepts from simple neural signals." 

Oct., 1995         Optical Society of America Annual Meeting, Portland, OR.  J. P. Thomas & L. A.                                        Olzak , “Psychophysical specification of contrast gain control mechanisms. 

Nov., 1995         College of Optometry, UC Berkeley.  "Recoding sensations into percepts:                                                              Model and mechanisms of human pattern vision."

Nov., 1995         Department of Psychology, Stanford University.  "Recoding sensations into                                                percepts:  Model and mechanisms of human pattern vision."

Sept, 1996        Center for Vision and Visual Cognition, Department of Psychology, University of                                          Durham, UK.  "Complex pattern discriminations:  Orientation information is                                                             integrated across spatial scale; spatial frequency and contrast information are not."

Dec, 1996         Smith-Kettlewell Research Institute, San Francisco, CA.  "Higher-order mechanisms                                   of human pattern vision"

Aug., 1997        European Conference on Visual Perception 20th Anniversary Symposium, Helsinki, Finland. L. A. Olzak and T. D. Wickens,  "Assessing interactions through concurrent judgment techniques."

Mar., 1998         Department of Psychology, Miami University of Ohio.  “Recoding sensations into                                        percepts.”

Feb., 1999         College of Optometry, Ohio State University.  “Neural recoding in human pattern

                        Perception:  model and mechanisms."

Nov., 1999         Visual Sciences Center, University of Chicago.  Neuroscience Lecture:    "Neural recoding processes underlying object edge and surface texture perception."

Aug., 2000        European Conference on Visual Perception, Groningen, Netherlands:  "An early-noise model of complex pattern discrimination.

Feb., 2001         Department of Psychology, Oberlin College.  "Context effects in visual perception:  What they can tell us about the workings of the visual system."

Oct., 2002         Cognitive Science Program, University of Indiana.  “Neural recoding in the perception of edges and surfaces:  A model.”

Oct. 2002          Department of Psychology, University of Indiana.  "Dual nonlinearities regulate sensitivity in pattern discrimination tasks".

Feb, 2003          Department of Psychology, Purdue University.  “Recoding sensations into percepts:  A  quantitative model.”

June, 2003        Centre for Visual Sciences, York University “Signal Detection Theory.”

 

 

Extracurricular Teaching

 

1992                 Optometry Review for California Optometry Board Exam:  Module in Visual                                                 Perception.  (6‑week module on Visual Perception as part of a Federal Retraining                                       Program).  Directed by UCLA Extension in conjunction with Kaiser Permanente                                              Hospitals.  Invited.

1981-1993         UCLA Extension, summer session courses: Cognitive Psychology, 1981, 1987,                                          1988, 1990;  Psychological Statistics:  1989, 1990;  Laboratory  in  Cognitive

                        Psychology,  1993.

 

 

 

Consulting Activities

 

1976                 Hughes Aircraft Co. at NASA‑AMES Research Center.  Research in role of visual                                       accommodation in pilot landing error.

1980                 Department of Psychology, Northwestern University (Dr. Robert Sekuler)                                                    Applications of linear structural equations to visual processes.

1986                 MacAulay‑Brown Publishing Co., Inc.  Review and selection of material for inclusion                                    in Engineering Data Compendium, AMRL, Wright‑Patterson AFB (1988).

1992‑1995         Optimetrics, Inc. (Ann Arbor, MI)  Theoretical and technical advisor to                                                        contracting company for SARDA Target Acquisition Model Improvement Program.                                       Under direction of the Office of the Secretary of the Army for Research,                                                    Development, and Acquisition, The Pentagon.

1995-pres.         Member, Expert Network, Crew Systems Ergonomics Analysis Center (CSERIAC),             Dept. of Defense, Human Engineering Division, Armstrong Laboratory, Wright-Patterson Air Force Base.                   

 

 

Editing and Reviewing Activities

 

1980‑82             University of Dayton Research Institute.  Associate Editor/Contracts Manager for Handbook of Perception and  Human Performance, Wiley (1986).

 

2000-2001         Guest Editor for special issue "2nd -order Processes in Vision" in Journal of the Optical Society of America A (2001), 18(9),  2171-2370.

 

Journal Reviews:            Journal of the Optical Society of America; Vision Research, Perception and                                               Psychophysics; Perception; Spatial Vision; Investigative Ophthalmology &                                                             Visual Science; Psychological Bulletin; Science; Journal of Vision, Neuroscience,

                                    Proceedings of the Royal Society B

 

Grant Reviews:              National Science Foundation, National Institutes of Health (NEI), Michael Smith Foundation for Health Research (MSFHR), British Columbia

 

Text Reviews:                Simon & Schuster Publishing Co. (Statistics); John Wiley & Sons (Perception); Oxford Press (Perception)

 

 

Professional Service

 

Association  for  Research in                  Session Chair, regularly through 2004;  Fight for Sight Awards Committee.

Vision and Ophthalmology:                     Chair, Program Committee, Visual Psychophysics/Physiological Optics Section.  2003-2004

                                                            Program Committee, Visual Psychophysics/Physiological Optics

                                                            Scientific Section.  2000-2004   Committee Chair:  2004

                                                           

            Symposium Organizer, 2002 Annual Meeting "Long-range                            Interactions in the Visual System"

 

           

European Conference on Visual

Perception:                                            Session Chair; regularly

                                                            Member, Scientific Committee ECVP 2003, Paris, France                                                                         Member, Organizing Committee ECVP 2004, Budapest, Hungary

Optical Society      

of America:                                            Session Chair; regularly

                                                            1994 Edgar D. Tillyer Award Committee.

                                                            Vice-Chair (1994-95), Vision Technical Group

                                                            Chair (1996-97; 98-99), Vision Technical Group                                                                                         Symposium Organizer, 1996 Annual Meeting "Image                                                                                  Segmentation"

Technical Program Committee, 1996, 1997, 1999 Annual                  Meetings.

                                                            Symposium Organizer, 1997 Annual Meeting "Far-Flung                                                                              Interactions:  Long-Range Facilitation and Inhibition.

                                                            Workshop Organizer, 2000  Annual Meeting "Trends in hardware

                                                               and software systems for vision research.

                                                                       

Mathematical Psychology Meeting          Symposium Organizer 2002 Annual Meeting (with Thomas D.         Wickens, UCLA):  Multidimensional Models of Visual Perception  

                                                                                               

UCLA                                                    Psychology Alumni Association President, 1995-96

 

University, College and Departmental Committees and Service

 

1999                Member, Faculty Search Committee for Department Chair

2000-2002      Member, Departmental Committee on Student Evaluations

2001-pres       Member, Departmental Committee on Undergraduate Statistics & Research Methods

2001-pres       Member, Departmental Committee on Graduate Statistics & Research Methods

2001-pres       Member, Premedical Advisory Committee, College of Arts & Sciences, Miami University

2002-pres       Coordinator, Cognitive Brown Bag

2002               Member, Departmental Committee to develop a Developmental Concentration

2002-pres       Member, Human Subjects’ Departmental Review Board

2003-2005      Member, Fiscal Priorities and Budget Planning Committee

2004               Member, Internal Review Committee (Teacher Education Department, EAP)

2006-pres       Member, Miami University Senate

2006-pres       Pre-Optometry Club Advisor

2006-2008      Member, Neuroscience Search Committee

 

 

Community Service Activities

 

Sept. 1990‑June, 1991    Parent‑Teacher Association, Room Mother, Neighborhood Nursery                                                             School.

July, 1992‑July, 1994      Ex- Officio Board Member (Parent Representative), Infant                                                                          Development Program, Dept. of Psychology, UCLA.

Aug. 1992‑1998             Volunteer Classroom Aide, Warner Elementary School.

                                    Fundraising Volunteer, Warner Elementary School.

July, 1994-1996             Fundraising Volunteer, Neighborhood Nursery School.

August 1998-present     Volunteer, Sycamore School District

Sept. 1998-present                     Volunteer, Girl Scouts of America

2000-present                 Sierra Club Member

 

 

 

A.  PEER-REVIEWED PUBLICATIONS

       

            1.  Roscoe, S. N., Olzak, L. A., and Randle, R. J. (1976)  Ground-                         METHODOLOGICAL referenced  visual  orientation with visual displays:   Monocular  versus                        ARTICLE

binocular accommodation  and judgments  of  relative  size.   Proceedings

of the AGARD Aerospace Medical Panel Specialists Meeting, Athens,

Greece.  Neuilly‑sur‑Seine, France: North Atlantic Treaty Organization. 

 

            2.  Olzak, L. A.  (1978) Target‑terrain classification and detection               RESEARCH    performance.  Proceedings of the Human Factors Society 22nd Annual              ARTICLE

Meeting, 393‑397.      

      

            3.  Olzak, L. A. (1980) Bivariate response distributions in visual                 RESEARCH 

detection and discrimination.  Proceedings of the Human Factors Society              ARTICLE

24th Annual Meeting, 502‑506.

 

            4.  Olzak, L. A. and Thomas, J. P. (1981)  Gratings: Why                                     RESEARCH

frequency discrimination is sometimes  better  than detection.  Journal                  ARTICLE

of the Optical Society of America, 71, 64‑70.

        

            5.  Olzak, L. A. and Wickens, T. D.  (1983)  The interpretation of               THEORETICAL

detection data through direct multivariate frequency analysis.                                 ARTICLE 

Psychological Bulletin, 93(3), 574‑585.     

 

            6.  Olzak, L. A. (1985)  Interactions between spatially tuned                      RESEARCH

mechanisms:  Converging evidence.   Journal  of  the Optical Society of                 ARTICLE

America A, 2,  1551‑1559.

 

            7.  Olzak, L. A. and Thomas, J. P. (1986)  "Seeing Spatial                        CHAPTER IN

Patterns".   In K. Boff, L. Kaufman, and  J.  Thomas (Eds.), Handbook                   EDITED BOOK

of Perception and Human Performance.   New York:  John Wiley & Sons. 

           

            8.  Olzak,  L. A. (1986)  Widely  separated spatial frequencies:                  RESEARCH

Mechanism interactions.  Vision Research,  26, 1143‑1153.                                  ARTICLE

       

            9.  Wickens, T. D.  and Olzak, L. A. (1989)  The statistical                                    THEORETICAL AND

analysis of concurrent detection  ratings.  Perception & Psychophysics,                 RESEARCH ARTICLE   

45, 514‑528.

 

            10.  Stanislaw, H. and Olzak, L. A.  (1990) Parametric                              METHODOLOGICAL

methods for gamma and inverse gamma correction with extension to                      ARTICLE

halftoning.  Behavior Research Methods, Instruments, & Computers, 22,

402‑408.

 

            11.  Thomas, J. P. and Olzak, L. A. (1990)  Cue summation                      RESEARCH

in spatial discriminations.  Vision Research, 30, 1865‑1875.                                  ARTICLE

       

            12.  Olzak, L. A. and Thomas, J. P. (1991)  When orthogonal                    RESEARCH

orientations are not processed independently.  Vision Research, 31, 51‑57.                        ARTICLE

       

            13.  Thomas,  J. P., Olzak, L. A., & Shimozaki, S. S. (1992)                     RESEARCH 

Using distinctive Fourier components to discriminate between  complex                 ARTICLE

patterns.  Ophthalmic  and  Physiological Optics, 12, 189‑192.

 

            14.  Wickens, T. D. and Olzak, L. A.  (1992)  Three views of                      CHAPTER IN

association in concurrent detection ratings.   In  F. Gregory  Ashby (Ed.)                EDITED BOOK

Multi-dimensional Models of  Perception and Cognition. New Jersey: 

Erlbaum.  (pp. 229‑252)

           

            15.  Thomas, J. P. and Olzak, L. A. (1992) Simultaneous                          CHAPTER IN

Detection  and  Identification.  In F. Gregory  Ashby  (Ed.)                                     EDITED BOOK

Multidimensional  Models of Perception and  Cognition.  New  Jersey: 

Erlbaum. (pp. 253‑277)

 

            16.  Olzak,  L. A., Wickens, T. D., and Thomas, J. P. (1992)                     THEORETICAL

"Constraints  on  Fourier  models  of human  pattern recognition."                          ARTICLE

Human Vision, Visual Processing, and  Digital Display III,  Bernice E.

Rogowitz, Editor, Proceedings SPIE 1666 (The Society of Photo-Optical

Instrumentation Engineers), 416‑423.

       

            17.  Olzak, L. A. and Thomas, J. P. (1992)  Configural effects                    THEORETICAL AND

constrain Fourier models of pattern discrimination.  Vision Research, 32,                RESEARCH ARTICLE

1885‑1898.                                  

 

            18.  Thomas, J. P., Olzak, L. A. and Shimozaki, S.S. (1993)                     RESEARCH

The role of Fourier components in discrimination between two types of                   ARTICLE

plaid patterns.  Vision Research, 33, 1573‑1579. 

 

            19.  Thomas, J. P. and Olzak, L. A. (1996).  Uncertainty                           THEORETICAL AND

experiments support the roles of second order mechanisms in spatial                    RESEARCH ARTICLE

frequency and orientation discriminations.  Journal of the Optical

Society of America A, 13, 689-696.

 

            20.   Laurinen, P. I., Olzak, L. A., and Peromaa, T. L. (1997).                    RESEARCH 

Early cortical influences in object segregation and the perception of                       ARTICLE

surface lightness.  Psychological Science, 8, 386-390.

                       

21.  Thomas, J. P. and Olzak, L. A. (1997).  Contrast gain                         THEORETICAL AND

control and fine spatial discriminations.  Journal of the Optical                               RESEARCH ARTCLE    

Society of America A, 14, 2392-2405.  

 

22.  Olzak, L. A. and Wickens, T. D. (1997)  Discrimination of                    INVITED RESEARCH

complex patterns: discriminations:  Orientation information is integrated                 ARTICLE

across spatial scale; spatial frequency and contrast information are not.

Perception, 26, 1101-1120.

 

23.  Olzak, L. A. & Thomas, J. P. (1999). Neural recoding                          THEORETICAL AND

in human pattern vision: Model and mechanisms. Vision Research,                        RESEARCH ARTICLE

39, 231-256.

           

            24.  Olzak, L. A. and Laurinen, P. I. (1999)  Multiple gain-control                           

mechanisms in contrast-contrast phenomena.  Vision Research, 39,                      THEORETICAL AND

3983-3987.                                                                                                        RESEARCH ARTICLE

 

            25.  Olzak, L. A. and Wickens, T. D. (1999) Paradigm shifts:                     INVITED HISTORICAL

 New techniques to answer new questions.  Perception, 28, 1509-1532.                 RETROSPECTIVE

           

            26.  Thomas, J. P. and Olzak, L. A. .  (2001)  Spatial phase                      RESEARCH

sensitivity of the mechanisms that mediates discrimination of small                       ARTICLE

orientation differences.  Journal of the Optical Society of America A.,

18, 2197-2203.

 

            27.  Chubb, C., Olzak, L.. A. and Derrington, A. (2001)                             INTRODUCTION  &

Second-order processes in vision:  introduction.   Journal of the                             REVIEW

Optical Society of America A., 18, 2175-2178.

           

            28.   Laack, K. A. and Olzak, L. A. (2002)    Orientation-selective              RESEARCH

 summing mechanisms mediate visual search.  Vision Research, 42,                     ARTICLE

1871-1877.

 

29.      Olzak, L. A. and Thomas, J. P. (2003) Dual nonlinearities                  RESEARCH &

regulate contrast sensitivity in pattern discrimination tasks. Vision                         THEORETICAL

Research, 43 (13), 1433-1442 .                                                                           ARTICLE

           

             30. Olzak, L. A.. and Laurinen, P. I. (2005)  Contextual effects                  RESEARCH

 in fine spatial discriminations. Journal of the Optical Society of America                ARTICLE

A.  22, 2230-2238.

 

            31.  Saylor, S. A. and Olzak, L. A.  (2006)  Contextual effects on fine         RESEARCH

orientation discrimination tasks. Vision Research, 46 (18), 2988-2997.                   ARTICLE

            32.  Schussler, E. E. and Olzak, L. A. (2008) It’s not easy being green:     RESEARCH

Student recall of plant and animal images.   Journal of Biological                           ARTICLE

Education, 42(3), 112-118.

 

            33.  Olzak, L. A. (In press) Visual spatial frequency analysis.   In               ENCYCLOPEDIA

B. E. Goldstein Encyclopedia of Perception.  Thousand Oaks, CA:  Sage               ARTICLE

Publications USA.

 

 

 

B.  UNPUBLISHED WORK AND TECHNICAL REPORTS

 

1.      Olzak,  L. A. (1975)   An Evaluation of Incidental Learning                   UNPUBLISHED MA

and Retention by the method of Stimulus Redundancy. Unpublished                      THESIS

master's thesis, San Jose State University, San  Jose, CA. 

 

            2.  Olzak, L. A. (1976)  Evaluation of incidental learning and                      UNPUBLISHED

retention by the method of stimulus redundancy. Paper  presented  at                    MEETING PAPER

the Western Psychological  Association Annual Meeting, Los Angeles, CA.

 

            3.  Olzak,  L. A.  (1978).  Detection  of  Multiple‑Vehicle                            TECHNICAL

Targets  in Realistic Terrain.  Naval Weapons Center,  China Lake, CA.                  REPORT

(NWC TP 6061; HAC Ref. E0265)

       

            4.  Carel, W. L., Herman, J. A., and Olzak, L.  A.  (1978).                         TECHNICAL

Design  Criteria  for Imaging Sensory Displays.   Office  of Naval                            REPORT

Research, Arlington, VA. (ONR CR 213‑107‑1F)

       

            5.  Corrick, G. E., Olzak, L. A., and Agin, A.  K.  (1979).  Linear                TECHNICAL

Structural Equation Models of Target Acquisition Performance.  Naval                    REPORT

Weapons  Center, China Lake, CA.  (HAC Ref. E3900)

       

            6.  Olzak, L. A. (1981).  Inhibition and Stochastic Interactions in                DOCTORAL

Spatial  Pattern  Perception.  (Doctoral Dissertation, University of                          DISSERTATION

California, Los Angeles,  1981).  Dissertation Abstracts International,

42, 1651B. (University Microfilms No.8121021)

       

            7.  Olzak, L. A., Thomas, J. P. and Stanislaw,  H.  (1987).                                    TECHNICAL  

Development of a Chromatic/Luminance Contrast Scale.  United States                  REPORT          

Department  of Transportation, United  States  Coast Guard. 

November, 1987. (DOT Report No. CG‑D 12‑87)

       

            8.  Wickens, T. D. and Olzak, L. (1988,  July).  The statistical                   UNPUBLISHED

analysis  of  concurrent  detection ratings.  Symposium on Probabilistic                 INVITED

Multidimensional  Models   of  Perception,  Twenty‑First  Annual                            ABSTRACT &

Mathematical Psychology Meeting, Evanston, IL.  July, 1988.                                PAPER

 

            9.  Olzak, L. A. (1989).  Development of a Chromatic/Luminance                TECHNICAL

Contrast  Scale:  Field Validation. United  States Department of                            REPORT

Transportation,  United  States Coast Guard (DOT Report No. CG‑D 2‑89). 

           

            10.  Olzak, L. A. (2001, June).  Quantitative Models of                              UNPUBLISHED

Multiple Processing Levels.  York International Conference "Levels                         INVITED ABSTRACT

of Perception".  Departments of Computer Science, York University,                      & PAPER

Toronto, CANADA

           

            11.  Olzak, L. A., Wickens, T. D. and Thomas, J. P (July, 2002).               UNPUBLISHED

A hybrid approach to quantitative modeling of sensory systems.   Symposium        INVITED

on Quantitative Models in Visual Processing.  Annual Mathematical                       ABSTRACT & PAPER

Psychology Meeting, Oxford, OH.

 

            12.  Olzak, L. A.  (June, 2003).  Lateral Interactions in Discrimination.        UNPUBLISHED

Visual Processing of Spatial Form Defined by Luminance, Colour, Motion,            ABSTRACT & PAPER Texture and Binocular Disparity.  Conference to Celebrate the Career

of  David Martin Regan.  York University, Ontario, Canada.  

           

13,  Thomas, R. D., Olzak, L. A., and Wagge, J. R. (July, 2007)                UNPUBLISHED

Exploring difference decision models of the uncertainly discrimination         ABSTRACT & PAPER

paradigm  within the signal detection framework. Annual Mathematical

Psychology Meeting, Irvine, CA

           

14.  Hibbeler, P. and Olzak, L. A. (February, 2008)                                   UNPUBLISHED

Psychophysicallydefined gain control pool and summing circuit                 ABSTRACT & PAPER

Bandwidths for spatial frequency selective pathways.  Redhawk

Mental Life Conference, Miami University, Oxford, Ohio

 

 

                                                              C.  IN PREPARATION

 

 

1.    Persike, M, Olzak, L. A. and Meinhardt, G.  Contour integration across spatial frequency. In revision.

 

2.      Kramer, M. L. and Olzak, L. A.  Collinearity and surround size effects on spatial discrimination tasks.  In revision

 

3.    Olzak, L. A., Laurinen, P. I., and Saarela, T.  Center-surround interactions are not reciprocal.

In preparation

 

4.      Thomas, R. D., Wagge, J. R, and Olzak, L. A.  Signal detection theoretic decision models of the uncertainty task.  Under review.

 

5.    Olzak, L. A.  Gabree, S.H. and Laurinen, P. I.  Center-Surround interactions on fine spatial discriminations:  spatial frequency and orientation bandwidths.  In preparation

 

6.  Olzak, L. A..  Object or Shadow?  Contextual influences on spatial summation in spatial frequency and orientation discriminations.  In preparation

 

           

                                                        D.  PUBLISHED ABSTRACTS

       

            *1.   Thomas, J. P. and Olzak, L. A.  (1979, May).  Detection, discrimination,  and integration of channel responses.  Paper presented at the Association for  Research  in Vision   and   Ophthalmology Annual  Meeting,  Sarasota,   FL.  Supplement to  Investigative Ophthalmology & Visual Science, 33, 1633.

      

            *2.  Olzak,  L. A.  (1979,  October).   Detection  of  a  complex  grating and discrimination  of its components.  Papers presented at the Optical Society  of  America Annual Meeting, Rochester, N.Y.  Journal of the Optical Society of America, 69, 1444. 

 

            *3.   Olzak,  L.  A.  (1981, April).  Interactive  properties  of  spatially  tuned analyzers.  Paper presented at the Association for Research in Vision and  Ophthalmology Annual Meeting, Sarasota, FL. Supplement to Investigative Ophthalmology & Visual Science, 20, 124.

 

            *4.  Olzak, L. A. (1981, October).   Interactions among spatially tuned  analyzers:  A  log‑linear model.  Paper presented at the Optical Society of America Annual  Meeting, Kissimmee, FL.  Journal of the Optical Society of America, 71, 1632. 

       

            *5.  Olzak,  L. A. (1982, May).   Inhibition:  Effects on  grating  detection  and identification.   Paper presented  at  the  Association  for  Research  in Vision and Ophthalmology  Annual Meeting, Sarasota, FL.  Supplement to Investigative Ophthalmology & Visual Science, 22, 206. 

       

            *6.  Olzak,  L. A. and Wandell, B. A.  (1983, May)  Detection contours and field mixtures.  Paper presented at the Association for Research in Vision and Ophthalmology Annual Meeting, Sarasota,  FL. Supplement to Investigative Ophthalmology & Visual Science, 24, 184. 

       

            *7.  Wandell, B. A. and Olzak, L. A.  (1983, May).   Categorical color differences.  Paper presented at the Association for Research in Vision and Ophthalmology Annual Meeting,  Sarasota,  FL.   Supplement to Investigative Ophthalmology & Visual Science, 24, 206. 

       

            *8.   Olzak, L. A. and Kramer, P.  (1984, October).  Inhibition  between  spatially tuned mechanisms:  Temporal influences.  Paper presented at the Optical Society of America Annual Meeting, San Diego, CA.  Journal of the Optical Society of  America A, 1(13), 1290. 

       

            *9.  Olzak, L. A., Wickens, T. D., and Gouled‑Smith, B.  (1985, May).   Ruling  out response  bias  in  the  concurrent  detection  task.   Paper  presented  at the Association for Research in Vision and Ophthalmology Annual Meeting, Sarasota, FL.  Supplement to Investigative Ophthalmology & Visual Science, 26, 142. 

       

            *10.  Olzak, L. A. and Thomas, J. P.  (1985, October).   Hyperacuity performance as a function of contrast.  Paper presented at Optical Society  of  America  Annual  Meeting, Washington, D. C.  Journal of the Optical Society of America A, 2(13), 102. 

       

            *11.  Olzak, L. A. and Thomas, J. P. (1986, October).    Spatial frequency matching in complex stimuli.  Paper presented at Optical Society of America Annual Meeting,  Seattle, WA.  Journal of the Optical Society of America A, 3(13), 98. 

 

            *12.   Olzak, L. A. (1987, May).   Color  Measurement:   Asymmetry  in  MacAdam Ellipses.   Paper  presented  at  the  Association  for  Research  in  Vision  and Ophthalmology   Annual  Meeting,  Sarasota,  FL.   Supplement to Investigative Ophthalmology & Visual Science, 28, 212. 

       

            *13.   Thomas, J. P. and Olzak, L. A.  (1987, September).  When are  suprathreshold stimuli in different frequency bands perceived independently?  Paper presented at the Tenth European Conference on Visual Perception, Varna, Bulgaria.   Perception, 16, 234.

       

            *14.   Olzak, L.  Detection contours in tristimulus space (1988,  October).   Paper presented  at  Optical Society of America Annual Meeting, Santa Clara,  CA.    OSA Annual  Meeting  Technical  Digest,  Vol. 11 of the  OSA  Technical  Digest  Series (Optical Society of America, Washington, D. C., 1988), 46. 

       

            *15.   Thomas,  J. P. and Olzak, L. A. (1989, May).   Summation  of  discrimination cues lying in the same spatial frequency band.  Paper presented at the Association for Research in Vision and Ophthalmology Annual Meeting, Sarasota, FL.  Supplement to Investigative Ophthalmology & Visual Science, 30, 485. 

 

            *16.   Olzak, L. A. and Thomas, J. P.  (1990, May).  When orthogonal  gratings  are not  processed independently.  Paper presented at the Association for Research  in Vision   and   Ophthalmology  Annual  Meeting,  Sarasota,   FL.  Supplement to Investigative Ophthalmology & Visual Science, 31, 430. 

        

            *17.   Olzak, L. A. and Thomas, J. P.  (1990, September).  When a grid is  not  two gratings.  Paper presented at the 13th  European Conference on Visual  Perception, Paris, France.  September, 1990.   Perception, 19, Supplement, 343‑344.

       

            *18.   Olzak, L. A. and Thomas, J. P.  (1990, November).   Information  integration across  spatially  tuned  pathways.  Paper presented at  the  Optical  Society  of America Annual Meeting, Boston, MA.   OSA Annual Meeting Technical Digest, Vol. 15 of the OSA Technical Digest Series (Optical Society of America, Washington, D. C., 1990), 7.

       

            *19.   Thomas,  J.  P. and Olzak, L. A.  (1991,  May)   Configural  constraints  in discriminating  2‑D  spatial  patterns.  Paper presented at  the  Association  for Research in Vision and Ophthalmology Annual Meeting, Sarasota, FL.  Supp. to Investigative Ophthalmology & Visual Science, 32, 1023.    

 

            *20.   Thomas,  J.  P.  and  Olzak, L.  A.   (1991,  November).   Contrast  related nonlinearities do not account for configuration effects in discrimination.   Paper presented  at the Optical Society of America Annual Meeting, San Jose,  CA.    OSA Annual  Meeting  Technical  Digest, Vol. 17 of the OSA  Technical  Digest  Series (Optical Society of America, Washington, D. C., 1991), 167. 

       

            *21.   Thomas,  J. P., Olzak, L. A. and Shimozaki, S. S.   (1992,  May).   Role  of Fourier  components  in  discrimination  among plaids.   Paper  presented  at  the Association for Research in Vision and Ophthalmology Annual Meeting, Sarasota, FL.  Supplement to Investigative Ophthalmology & Visual Science, 33, 826.

       

            *22.   Olzak, L. A. and Thomas, J. P.  (1992, May)  Linear cue summation  subserves some compound discriminations.  Paper presented at the Association for Research in Vision and   Ophthalmology  Annual  Meeting,  Sarasota, FL.  Supplement to Investigative Ophthalmology & Visual Science, 33, 1343. 

 

            *23.   Thomas,  J. P., Olzak, L. A., and Wickens, T. D.   (1992,  September).   The bridge  between  Fourier and feature codes:  Some inferences  from  discrimination data.   Paper  presented at the 15th  European Conference  on  Visual  Perception, Pisa, Italy.  Perception, 21, Supplement 2, pp. 6‑7.

           

            *24.  Olzak, L. A. and Thomas, J. P.  (1992, September).   What can  discrimination tasks tell us about texture perception?  Paper presented at the Optical Society of America  Annual Meeting, Albuquerque, N. M.  OSA Annual Meeting Technical  Digest, 1992 (Optical Society of America, Washington, D. C.,1992), Vol. 23, 159.

 

            *25.   Olzak, L. A. and Thomas, J. P.  (1993, May).  Normalizing and summing  pools in  complex  frequency discriminations.  Paper presented at  the  Association  for Research in Vision and Ophthalmology Annual Meeting, Sarasota, FL.  Supplement to Investigative Ophthalmology & Visual Science, 34, 818.

 

            *26.   Olzak, L. A., Wickens, T. D., and Thomas, J. P.  (1993, September).  Why  we can't  see  the forest for the trees:  Serial processing  of  disparate  frequency bands.   Paper  presented at the 16th  European Conference on  Visual  Perception, Edinburgh, Scotland.  Perception, 22, Supplement, p. 5.

 

            *27.   Thomas, J. P., Olzak, L. A., and Wickens, T. D.  (1993, September)   Spatial pooling  properties of contrast‑gain control and second‑order summing  mechanisms.  Paper presented at the 16th  European Conference on Visual Perception,  Edinburgh, Scotland.  Perception, 22, Supp., p. 40.

       

            *28.   Olzak,  L.  A.,  Wickens,  T.  D.,  and  Thomas,  J.  P.   (1993,   October)  Simultaneously  discriminating  different aspects of complex patterns:   When  you can,  when you can't, and why.  Paper presented at the Optical Society of  America Annual  Meeting,  Toronto,  CANADA.  OSA Annual  Meeting  Technical  Digest,  1993 (Optical Society of America, Washington, D. C., 1993), Vol. 16, 267‑268.

       

            *29.   Olzak, L. A., Wickens, T. D., and Thomas, J. P.  (1994, May)   Psychophysics supports  computational edge algorithms.  Paper presented at the  Association  for Research in Vision and Ophthalmology Annual Meeting, Sarasota, FL.  Supplement to Investigative Ophthalmology & Visual Science, 35, 3063.    

 

            *30.  Thomas, J. P. and Olzak, L. A.  (1994, May)  Is contrast gain control  driven by  local  contrast energy?  Paper presented at the Association for Research in Vision and Ophthalmology Annual  Meeting,  Sarasota,   FL.  Supplement to Investigative Ophthalmology & Visual Science, 35, 1084.

       

            *31.   Laurinen,  P.  I. and Olzak, L. A.  (1994,  May)   Mechanisms  of  lightness perception.   Paper  presented  at  the Association for Research in Vision and Ophthalmology Annual  Meeting,  Sarasota,  FL.   Supplement to Investigative Ophthalmology & Visual Science, 35, 3459.  

       

            *32.   Olzak, L. A., Thomas, J. P. and Wickens, T. D.  (1994, September)  Higher-level edge detectors mediate  complex orientation discriminations.  Paper presented at  the  17th European Conference on Visual Perception, Eindhoven, The Netherlands.  Perception, 23, Supplement, 2.

 

            *33.   Thomas,  J. P. and Olzak, L. A.  (1994, September)  What visual  mechanisms  mediate  judgments about textures?  Paper presented at the 17th  European Conference on  Visual Perception, Eindhoven, The Netherlands.  Perception, 23, Supplement, 36. 

        

            *34.   Laurinen,  P.  I.  and Olzak, L.  A. (1994, September)   Spatially  remote,  frequency  tuned mechanisms  can  control apparent lightness.  Paper presented  at  the  17th European Conference on Visual Perception, Eindhoven, The Netherlands.  Perception, 23, Supplement, p. 18.

       

            *35.   Olzak,  L.  A. and Thomas, J. P.  (1994) Edge or shadow?  Boundary  cues  in  human vision.   Paper presented at the Optical Society of America Meeting, Dallas, TX.   OSA  Annual  Meeting Supplement to Optics & Photonics News, 5 (8), 99.        

 

            *36.   Thomas,  J.  P. and Olzak, L. A.  (1994) Stimulus uncertainty  effects  help  define second order visual mechanisms.  Paper presented at the Optical Society of America Meeting, Dallas, TX.  OSA  Annual Meeting Supplement to Optics & Photonics News, 5 (8), 48. 

  

            *37.  Olzak, L. A. and Thomas, J. P. (1995)  Edge or shadow II?  Boundary Cues in human vision. Paper presented  at  the Association for Research in Vision and Ophthalmology Annual  Meeting,  Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 36,  p. S439.

 

            *38.  Laurinen, P. I. and Olzak, L. A. (1995)  Textural segregation can suppress simultaneous contrast.  Paper presented at the Association for Research in Vision and Ophthalmology Annual  Meeting,  Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 36, p. S466.

 

            *39.  Olzak, L. A. and Thomas, J. P. (1995)  Summing across edges in discrimination:  Perceptual influences.  Paper presented at the  18th European Conference on Visual Perception, Tubingen, Germany.  Perception, 24, 40.

 

            *40.  Laurinen, P. I. and Olzak, L. A.  (1995) Differential Textures can suppress lightness contrast.  Paper presented at the  18th European Conference on Visual Perception, Tubingen, Germany. Perception, 24, 24.  

        

            *41.  Thomas, J. P., Stankiewicz, B. J., and Olzak, L. A.  (1995) The mechanism which mediates orientation discrimination is insensitive to phase.   Paper presented  at  the  18th European Conference on Visual Perception, Tubingen, Germany.  Perception, 24, 40-41.

 

            *42.  Olzak, L. A. and Thomas, J. P.  (1995) Normalizing and summing pools in complex orientation discriminations.  Paper presented at the Optical Society of America Meeting, Portland, OR.  OSA  Annual Meeting Supplement to Optics & Photonics News, 6 (7), 11-12.

           

            *43.  Thomas, J. P. and Olzak, L. A. (1995) Psychophysical specification of contrast gain control mechanisms.  (Invited)  Paper presented at the Optical Society of America Meeting, Portland, OR.  OSA Annual Meeting Supplement to Optics & Photonics News, 6 (7), 54.

 

            *44.  Stankiewicz, B. J., Thomas, J. P., and Olzak, L. A.  (1995) Multiple component orientation discrimination invariant with respect to phase.  Paper presented at the Optical Society of America Meeting, Portland, OR.  Supplement to Optics & Photonics News, 6 (7), 139.

           

            *45.  Olzak, L. A. and Thomas, J. P.  (1996) Characteristics of third-stage mechanisms in pattern vision.  Paper presented at the Association for Research in Vision and Ophthalmology Annual  Meeting,  Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 37, S1148.

           

            *46.  Laurinen, P. I. and Olzak, L. A. (1996) Second-order mechanisms in perceived form from texture.  Paper presented at the Association for Research in Vision and Ophthalmology Annual  Meeting,  Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 37, S1147.           

 

            *47.  Olzak, L. A., Thomas, J. P., and Wickens, T. D. (1996) Simultaneously judging contrast in different orientation and frequency bands.  Paper presented  at  the  18th European Conference on Visual Perception, Strasbourg, France.  Perception, 25, 23.

 

            *48.  Laurinen, P. I. and Olzak, L. A.  (1996) Functional aspects of border-signalling mechanisms.   Paper presented  at  the  18th European Conference on Visual Perception, Strasbourg, France.  Perception, 25, 55.

 

            *49.  Olzak, L. A. and Laurinen, P. I. (1996)  Second-order spatial mechanisms:  one route to image segmentation?   Paper presented at the Optical Society of America Meeting, Rochester, NY  Supplement to Optics & Photonics News, 7 (7), 67.            

 

            *50.  Laack, K. A. and Olzak, L. A. (1996)  Isolating second-order mechanisms in a visual search paradigm.  Paper presented at the Optical Society of America Meeting, Rochester, NY  Supplement to Optics & Photonics News, 7 (7), 67.

 

            *51.  Olzak, L. A. and Wickens, T. D. (1997)  Two stimuli.  Two judgments.  How many mediating mechanisms?   Paper presented at the Association for Research in Vision and Ophthalmology Annual  Meeting,  Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 38, S631. 

 

            *52.  Laurinen, P. I. and Olzak, L. A. (1997)  Mechanisms underlying perceived form from texture.  Paper presented at the Association for Research in Vision and Ophthalmology Annual  Meeting,  Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 38, S639.

 

            *53.  Olzak, L. A. and Wickens, T. D.  (1997)  Assessing interactions through concurrent-judgment experiments.   Invited Paper presented  at  the  20th European Conference on Visual Perception, ECVP XX Anniversary Symposium "Progress and Paradigm Shifts in Vision Research during 20 Years of ECVP, Helsinki, Finland.  Perception, 26, 67.

 

            *54.  Olzak, L. A. and Wong, R. (1997)  Discrimination between plaids:  Do oriented filters combine dichoptically?  Paper presented  at  the  20th European Conference on Visual Perception, Helsinki, Finland.  Perception, 26, 120.

 

            *55.  Wickens, T. D. and Olzak, L. A. (1997)  Noise effects in perceptual models.  Paper presented at the 20th European Conference on Visual Perception, Helsinki, Finland.  Perception, 26, 23.

 

            *56.  Laurinen, P. I. and Olzak, L. A. (1997)  Summation of contrast in perceived form from texture. Paper presented  at  the  20th European Conference on Visual Perception, Helsinki, Finland.  Perception, 26, 126.

 

            *57.  Olzak, L. A. and Thomas, J. P.  (1997) Models of cortical contrast gain control:  A test. Paper presented at the Optical Society of America Meeting, Rochester, NY  Supplement to Optics & Photonics News, 8 (8), 97.

 

            *58. Olzak, L. A., Thomas, J. P., and Wickens, T.D.  (1998)  Apparent linearity in higher-level summing units. Paper presented at the Association for Research in Vision and Ophthalmology Annual  Meeting,  Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 39, S1110.

 

            *59.  Laurinen, P. I. and Olzak, L. A. (1998) Spatial interactions in higher-level gain control pools. Paper presented at the Association for Research in Vision and Ophthalmology Annual Meeting, Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 39, S410.

 

            *60.  Laurinen, P. I. and Olzak, L. A. (1998b)  Two processes underlie center-surround contrast suppression? Paper presented  at  the  21st  European Conference on Visual Perception, Oxford, England.  Perception, 27, 53.

 

            *61.  Thomas, J. P. and Olzak, L. A. (1998)  Gain control and integration processes in line- and edge-coding mechanisms. Paper presented  at  the  21st  European Conference on Visual Perception, Oxford, England.  Perception, 27, 54.

 

            *62.  Olzak, L. A. and Thomas, J. P. (1998)  Coding the orientation of lines and edges. Paper presented at the Optical Society of America Meeting, Baltimore, Md.  Supplement to OPN Optics & Photonics News, 9, 55.

 

            *63.  Guttman, S. E., Kellman, P. J., and Olzak, L. A. (1998)   Distinguishing object motion from observer motion using minimal visual information. Paper presented at the Optical Society of America Meeting, Baltimore, Md.  Supplement to OPN Optics & Photonics News, 9, 111.

 

            *64.  Olzak, L. A. and Thomas, J. P. (1999)  Coding object boundaries:  pooling in contrast gain control processes. Paper presented at the Association for Research in Vision and Ophthalmology Annual  Meeting, Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 40, S780.

 

            *65.  Laack, K. A. and Olzak, L. A.  (1999)   Higher-level summing circuits mediate orientation-based visual search tasks. Paper presented at the Association for Research in Vision and Ophthalmology Annual  Meeting, Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 40, S349.

  

            *66.  Laurinen, P. I. and Olzak, L. A. (1999)  Contrast-Contrast:  More evidence for two gain control pools. Paper presented at the Association for Research in Vision and Ophthalmology Annual  Meeting, Fort Lauderdale, FL.   Supplement to Investigative Ophthalmology & Visual Science, 40, S44.

 

            *67.  Bredfelt, C. E.,  Olzak, L. A., and Thomas, J. P.  (1999).  Normalization in orientation summation occurs after binocular summation.  Paper presented at the Association for Research in Vision and Ophthalmology Annual Meeting, Fort Lauderdale, FL.  Supplement to Investigative Ophthalmology & Visual Science, 40, S43.

 

            *68.  Olzak, L. A. and Laack, K. A.  (1999)  Higher-level summing circuits mediate orientation-based visual search tasks  II.   Paper presented  at  the  22st  European Conference on Visual Perception, Trieste, Italy.  Perception, 28s, 56.

 

            *69.  Laurinen, P. I. and Olzak, L. A. (1999)  No evidence for lateral contrast gain control among non-Fourier, contrast modulated components.   Paper presented  at  the  22st  European Conference on Visual Perception, Trieste, Italy.  Perception, 28s, 40.

 

            *70.  Olzak, L. A. and Laurinen, P. I. (1999)  Multiple normalization processes in contrast-contrast phenomena.  Invited Paper presented at the Optical Society of America Meeting, Santa Clara, CA.  Supplement to OPN Optics & Photonics News, p. 62.

           

            *71.  Thomas, J. P. and Olzak, L. A. (1999)   Bandwidth of orientation coding mechanisms for lateral separation. Paper presented at the Optical Society of America Meeting, Santa Clara, CA.  Supplement to OPN Optics & Photonics News, p. 62.

           

*72. Piehler, O. C., Pantle, A. J., and Olzak, L. A.  (1999)  Properties of direction-specific contrast gain control.   Paper presented at the Optical Society of America Meeting, Santa Clara, CA.  Supplement to OPN Optics & Photonics News, p. 56

           

            *73.  Olzak, L. A.,  Wickens, T. D. and Thomas, J. P.   (2000)  Gain control or neural noise?  Distinguishing between two classes of model.   Paper presented at the Association for Research in Vision and Ophthalmology Annual Meeting, Fort Lauderdale, FL.  Supplement to Investigative Ophthalmology & Visual Science, 3795.

 

            *74.  Laurinen, P. I. and Olzak, L. A.  (2000)  Contrast-contrast between contrast-modulated patterns can be explained by Fourier energy alone.  Paper presented at the Association for Research in Vision and Ophthalmology Annual Meeting, Fort Lauderdale, FL.  Supplement to Investigative Ophthalmology & Visual Science, 41, 4245.

 

            *75.  Olzak, L. A., Wickens, T. D. and Thomas, J. P.  (2000)  An early-noise model of complex pattern discrimination. Invited paper presented at the  23rd European Conference on Visual Perception, Groningen, The Netherlands  Perception, 29s, 120.

 

            *76.   Laurinen, P. I., Saarela T. and Olzak, L.. A. (2000) Contextual modulation of lateral interactions in contrast gain control.  Paper  presented at  the  23rd European Conference on Visual Perception, Groningen, The Netherlands.  Perception, 29s, 41.

 

            *77. Olzak, L. A., Wickens, T. D. and  Thomas, J. P. and  (2000)  An alternative to pooled gain control models.    Paper presented at the Optical Society of America Meeting, Providence, RI.  Supplement to OPN Optics & Photonics News, p. 53.

 

            *78.  Olzak, L. A., High, J. L., and Laurinen, P. I.  (2001)  Lateral gain control in contrast discrimination judgments.  Paper presented at the Association for Research in Vision and Ophthalmology Annual Meeting, Fort Lauderdale, FL.  Supplement to Investigative Ophthalmology & Visual Science, 42, 853.

 

            *79.  Laurinen, P. I., Saarela, T., and Olzak, L. A.  (2001)  Contrast-contrast is spatially asymmetric.  Paper presented at the Association for Research in Vision and Ophthalmology Annual Meeting, Fort Lauderdale, FL.  Supplement to Investigative Ophthalmology & Visual Science, 42, 852.

           

            *80.  Olzak, L. A. (2001)  Contextual modulation effects in apparent contrast, contrast discriminations, and spatial frequency discriminations.  Paper presented at Optical Society of America/UCI Color and Vision Meeting, Irvine, CA.  Optical Society of America, "Vision and Color Meeting: Vision Sessions, http://www.opticsexpress.org/abstract.cfm?URI=OPEX-9-8-0.

 

            *81.  Olzak, L. A. (2002)  Contextual modulation affects orientation discriminations differently than spatial frequency or contrast discriminations.  Paper presented at the Association for Research in  Vision and Ophthalmology Annual Meeting, Fort Lauderdale, FL..   Investigative Ophthalmology & Visual Science, 43: E-Abstract 2842.

 

*82.  Olzak, L. A. (2002)  Models of Lateral Interaction:  A failure to generalize.  Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL.  Journal of Vision, 2(7), 203a, http://journalofvision.org/2/7/203/, DOI 10.1167/2.7.203.

           

            *83.  Olzak, L. A.., Clark, A.. M., and Laurinen, P. I. (2002)   Properties of mechanisms underlying contextual effects in fine discrimination tasks.  Paper  presented at  the  25th  European Conference on Visual Perception, Glasgow, Scotland.  Perception, 31s, 64.

 

            *84  Laurinen, P. I., Saarela, T., & Olzak, L. A.. (2002)  Contrast-Contrast:  Brightness Induction or Lateral Gain Control?  Paper  presented at  the  25th  European Conference on Visual Perception, Glasgow, Scotland.  Perception, 31s, 50.

           

            *85  Saarela, T.. P, Laurinen, P. I., and Olzak, L. A. (2002)  Spatial pooling of contrast and luminance signals in contrast gain control.  Paper  presented at  the  25th  European Conference on Visual Perception, Glasgow, Scotland.  Perception, 31s, 63.

 

            *86. Olzak, L. A., Clark, A. M., & Laurinen, P. I. (2002). The role of a gap in contextual effects on discrimination performance. Paper presented at the Fall Vision Meeting.   Journal of Vision, 2(10), 104a, http://journalofvision.org/2/10/104/, DOI 10.1167/2.10.104.

 

            *87.  Olzak , L. A., Saylor, S. A., Gabree, S. H,  and Laurinen, P. I. (2003)  Lateral Interactions on Discriminations Performance by Simple and Complex Surrounds.  Paper presented at the Association for Research in  Vision and Ophthalmology Annual Meeting, Fort Lauderdale, FL.  Invest. Ophthalmol. Vis. Sci. 2003 44: E-Abstract 4317.

           

            *88.  Olzak, L. A. and Gabree, S. H. (2003)  .Relative effects of superimposed and lateral masks in discrimination.   Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL.  [Abstract]. Journal of Vision, 3(9), 650a, http://journalofvision.org/3/9/650/, doi:10.1167/3.9.650.

 

            *89.  Saylor, S. A. and Olzak, L. A. (2003) Do lateral influences cross segmentation boundaries?  Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL.  [Abstract]. Journal of Vision, 3(9), 651a, http://journalofvision.org/3/9/651/, doi:10.1167/3.9.651.

 

            *90.  Laurinen, P. I., Olzak, L. A.,  and Saarela, T. (2003) Complex contextual effects on apparent contrast.  Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL.  [Abstract]. Journal of Vision, 3(9), 348a, http://journalofvision.org/3/9/348/, doi:10.1167/3.9.348.

 

            *91.  Olzak L. A., Saylor S. A. and Laurinen, P. I. (2003)  What stops lateral interactions in discrimination tasks?  Paper presented at the  26th  European Conference on Visual Perception, Paris, France.  Perception, 32s, , http://www.perceptionweb.com/perception/ecvp03/0751.html.

 

            *92.  Laurinen, P. I., Olzak, L. A. and Saarela, T. P.  (2003) Exploring alternatives in contrast-contrast phenomena.  Paper presented at  the  26th  European Conference on Visual Perception, Paris France.  Perception, 32s, http://www.perceptionweb.com/perception/ecvp03/0991.html.

           

*93.  Saarela, T. P., Olzak, L. A., Laurinen, P. I. (2003)   Orientation-dependent spatial asymmetry of surround suppression in contrast perception.  Paper presented at  the  26th  European Conference on Visual Perception, Paris, France.  Perception, 32s, http://www.perceptionweb.com/perception/ecvp03/0976.html.

 

            *94.  Olzak, L. A., Saylor, S. A., and Gabree, S. H. (2003)   Scene segments, surrounds, and

superimposed masks:  Complex interactions among pattern masks on discrimination performance.  Paper presented at Optical Society of America Fall  Vision Meeting. Optical Society of America, Tucson, AZ  Journal of Vision, 3(12), 11a, http://journalofvision.org/3/12/11/, doi:10.1167/3.12.11.

 

            *95.  Olzak, L. A. and Gabree, S. H. (2004)  Orientation Bandwidths of Lateral Interactions in Orientation Discriminations. Paper presented at the Association for Research in Vision and Ophthalmology Annual Meeting, Fort Lauderdale, FL.  Invest. Ophthalmol. Vis. Sci. 2004 45: E-Abstract 4660.

 

            *96.  Olzak, L. A., Gabree, S. H., & Laurinen, P. I. (2004). Lateral interactions in orientation discrimination: Spatial frequency bandwidths [Abstract]. Paper presented at the Vision Sciences Annual Meeting, Sarasota, FL. Journal of Vision, 4(8), 776a, http://journalofvision.org/4/8/776/, doi:10.1167/4.8.776.

           

            *97.  Laurinen, P. I., Olzak, L. A., & Saarela, T. P. (2004). Testing a neural model of center-surround interaction psychophysically [Abstract]. Paper presented at the Vision Sciences Annual Meeting, Sarasota, FL. Journal of Vision, 4(8), 780a, http://journalofvision.org/4/8/780/, doi:10.1167/4.8.780.

 

            *98.  Olzak, L. A., Gabree, S. H., and Laurinen, P. I.  (2004)  Lateral Interactions: Orientation and Spatial Frequency Bandwidths in Fine Spatial Discriminations.  Paper presented at  the  27th  European Conference on Visual Perception, Budapest, Hungary.  Perception, 33s, 177.

 

            *99.  Laurinen, P. I., Olzak, L. A., and Saarela, T. P. (2004)  Nonlinear interactions between gaps and contrast determine apparent contrast.  Paper presented at  the  27th  European Conference on Visual Perception, Budapest, Hungary.  Perception, 33s, 173.

 

        *100.  Olzak, L. A., Gabree, S, H., and Laurinen, P. I (2004)  Center-surround interactions are not reciprocal.   Paper presented at Optical Society of America Fall Vision Meeting. Optical Society of America, Rochester, N. Y.  Journal of Vision, 4(11), 74a, http://journalofvision.org/4/11/74/, doi:10.1167/4.11.74.

 

           *101  Olzak, L. A., Gabree, S. H., and Laurinen, P. I. (2005)  Modeling lateral interaction in fine spatial discriminations:  The plot thickens.  Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL.  [Abstract]. Journal of Vision, 5(8), 476a, http://journalofvision.org/5/8/476/, doi:10.1167/5.8.476.

 

            *102.  Laurinen, P. I., Olzak, L. A., and Saarela, T. P. (2005)  Summation processes in contrast-contrast.  Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL.  [Abstract]. Journal of Vision, 5(8), 454a, http://journalofvision.org/5/8/454/, doi:10.1167/5.8.454.

 

            *103.  Olzak, L. A., Laurinen, P. I., and Saarela, T. P.(2005)  For better or worse:  Reconciling differences across lateral interaction tasks.  Paper presented at  the  28th  European Conference on Visual Perception, A Coruna, Spain.  Perception, 34s, http://perceptionweb.com/ecvp05, doi10.1068/ecvp05  hyperlink.

 

            *104.  Laurinen P. I., Olzak L. A., Nurminen,  L. O. and Pihlaja,  M. E. (2005)   Does surround size matter in contrast gain control?  Paper presented at  the  28th  European Conference on Visual Perception, A. Coruna, Spain.  Perception, 34s, http://perceptionweb.com/ecvp05, doi10.1068/ecvp05  hyperlink.

 

            *105  Saarela, T. P., Olzak, L. A., and Laurinen, P. I. (2005)  Spatial summation and inhibition in human visual contrast processing.   Paper presented at  the  28th  European Conference on Visual Perception, ,A Coruna, Spain.  Perception, 34s, http://perceptionweb.com/ecvp05, doi10.1068/ecvp05  hyperlink.

 

            *106  Olzak, L. A. and Laurinen, P. I.  (2005) A framework for understanding center-surround interactions in apparent contrast and fine spatial discriminations.  Paper presented at Optical Society of America Fall Vision Meeting. Optical Society of America,  Tucson, AZ.  Journal of Vision, 5(12), 79a, http://journalofvision.org/5/12/79/, doi:10.1167/5.12.79.

 

            *107  Wagge, J. R. and Olzak, L. A.. (2005)  Visual integration in center/surround stimuli:  Cortical mechanisms.  Paper presented at Optical Society of America Fall Vision Meeting. Optical Society of America, Tucson, AZ.   Journal of Vision, 5(12), 92a, http://journalofvision.org/5/12/92/, doi:10.1167/5.12.92.s

 

            *108  Olzak, L. A., Wagge, J. R. and Thomas, R. D. (2006)  Signal detection analysis of an uncertainty discrimination paradigm.  Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL.  Journal of Vision, 6(6), 193a, http://journalofvision.org/6/6/193/, doi:10.1167/6.6.193.

 

            *109  Kramer, M. L., & Olzak, L. A. (2006). Collinearity and surround size effects on spatial discrimination tasks.  Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL.. Journal of Vision, 6(6), 199a, http://journalofvision.org/6/6/199/, doi:10.1167/6.6.199.

 

            *110  Olzak, L. A., Wagge, J. R. and Thomas, R. D.  (2006) Decision models in an uncertainty paradigm.  Paper presented at  the  29th  European Conference on Visual Perception, St. Petersburg, Russia.  Perception, 35s, p89.

 

            *111  Shussler, E. and Olzak, L. A.  (2006) It’s not easy being green:  Addressing plant blindness when teaching.  Paper presented at the 91st Ecological Society of America Annual Meeting, Memphis, TN. In press.

 

            *112.  Olzak, L. A., Wagge, J. R., and Thomas, R. D.  (2006) Signal detection rating models underlying the uncertainty paradigm.  Paper presented at the Optical Society of America Annual Fall Vision Meeting.  Optical Society of America, Rochester, N.Y.  Journal of Vision, 6(13):58, 58a, http://journalofvision.org/6/13/58/, doi:10.1167/6.13.58.

 

            *113.  Wagge, J. R. and Olzak, L. A. (2006)  Assessment of mechanisms of visual integration in center/surround stimuli using an uncertainty paradigm.  Paper presented at the Optical Society of America Annual Fall Vision Meeting.  Optical Society of America, Rochester, N.Y.  Journal of Vision, 6(13):64, 64a, http://journalofvision.org/6/13/64/, doi:10.1167/6.13.64.

 

            *114  Olzak, L. A. and Kramer, M. L.  (2007)  Cross-orientation interactions in second-order mechanisms.  Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL.  Journal of Vision, 7(9):253, 253a, http://journalofvision.org/7/9/253/, doi:10.1167/7.9.253.

 

            *115.  Kramer, M. L. and Olzak, L. A.  (2007)  The effects of collinearity on contrast discrimination tasks.  Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL.  Journal of Vision, 6(6):199, 199a, http://journalofvision.org/6/6/199/, doi:10.1167/6.6.199.

 

            *116. Olzak, L. A. and Kramer, M. L.  (2007)  Higher-level processes in the second-order system. Paper presented at  the  30th  European Conference on Visual Perception, Arrezzo, Italy.  Perception, 36s,  41-42.

           

            *117. Olzak, L. A. and Kramer, M. L. (2007)  How do second-order mechanisms interact?  Paper presented at the Optical Society of America Fall Vision Meeting, Berkeley, CA.  Journal of Vision, 7(15):91, 91a, http://journalofvision.org/7/15/91/, doi:10.1167/7.15.91.

 

           

            *118.  Olzak, L. A., & Hibbeler, P. J. (2008). Second-order mechanisms do not process contrast-modulated orientation information optimally.  Paper presented at the Vision Sciences Annual Meeting, Naples, FL. Journal of Vision, 8(6):279, 279a, http://journalofvision.org/8/6/279/, doi:10.1167/8.6.279.

 

            *119  Hibbeler, P. J. and Olzak, L. A.  (2008) Psychophysically defined gain control pool and summing circuit bandwidths for orientation selective pathways.  Paper presented at the Vision Sciences Annual Meeting, Naples, FL. Journal of Vision, 8(6):943, 943a, http://journalofvision.org/8/6/943/, doi:10.1167/8.6.943.

 

            *120  Kramer, M., & Olzak, L. (2008). The absence of a collinearity effect in second-order, contrast-modulation discrimination tasks. Paper presented at the Vision Sciences Annual Meeting, Naples, FL.  Journal of Vision, 8(6):275, 275a, http://journalofvision.org/8/6/275/, doi:10.1167/8.6.275.

 

            *121  OIzak, L. A. and Hibbeler, P. J.  (2008)  Bandwidths of Cigars and Doughnuts in higher-level spatial vision.  Paper presented at  the  31st   European Conference on Visual Perception, Utrecht, Netherlands  Perception, 37s,  in press.

 

            *122  Olzak, L. A. and Hibbeler, P. J. (2008)  Contrast gain control and summing circuit bandwidths in fine spatial frequency discriminations.  Paper presented at the Optical Society of America Fall Vision Meeting, Rochester, CA

 

            *123  Hibbeler, P. J. and Olzak, L. A. (2008) .  Paper presented at the Optical Society of America Fall Vision Meeting, Rochester, CA

 

            *124  Wagge, J. R. and Olzak, L. A. (2008)  Paper presented at the Optical Society of America Fall Vision Meeting, Rochester, CA