Olzak

LYNN A. OLZAK Department of Psychology, Miami University of Ohio, Oxford, OH 45056 (513) 529-1754

3440 Aston Place Cincinnati, OH 45241 (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, coPI). "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, 2007. Direct Costs: $150,000. Total Award $213,000. Principal Investigator. “Cortical Mechanisms of Spatial Pattern Vision” Competing continuation of EY13953. In revision.

INTERNAL GRANTS

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Olzak 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

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Olzak 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 1994-1998 1992-1994 1984-1992 1985-1986 1983-1985 1982-1983 1981-1982 1980-1982

1979-1980 1977-1980 1976-1977 1976 1974-1975

Associate Professor, Department of Psychology, Miami University of Ohio Adjunct Associate Professor; Associate Research Psychologist, Department of Psychology, UCLA Adjunct Assistant Professor; Assistant Research Psychologist, Department of Psychology, UCLA. Assistant Research Psychologist; Lecturer, Department of Psychology, UCLA. Visiting Assistant Professor, Department of Psychology, Harvey Mudd College, Claremont, CA. Visiting Assistant Professor, Department of Psychology, Scripps College, Claremont, CA. NIMH Postdoctoral Trainee, Department of Psychology, Stanford University. Visiting Lecturer and Postdoctoral Scholar, Department of Psychology, UCLA. Associate editor/contracts manager for Handbook of Perception and Human Performance, Wiley, 1986, as Consultant to University of Dayton Research Institute. Located at UCLA. Research Associate, Dept. of Psychology, UCLA Member of Technical Staff, Hughes Aircraft Co., Display Systems Department, CA. Teaching Associate, Department of Psychology, UCLA Consultant to Hughes Aircraft Company. On-site representative at NASA-Ames Research Center. Teaching Assistant, Department of Psychology, San Jose State University

OTHER PROFESSIONAL ACTIVITIES Invited Addresses July, 1988

Feb., 1990 July, 1993 July, 1993 Feb., 1994 Feb., 1994 June, 1994 Oct., 1994 Feb., 1995

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. Department of Psychology, UC Santa Barbara. "Orthogonal orientations are not processed independently." College of Optometry, University of Houston, Houston, TX. "Building spatially complex percepts from simple neural signals". School of Optometry, University of Missouri, St. Louis, Mo. "Building spatially complex percepts from simple neural signals." Department of Cognitive Sciences, UC Irvine. "Edge and texture processors in human vision." Department of Psychology, UC Santa Cruz. "From sensation to perception: The role of second layer mechanisms in spatial pattern vision." Department of Psychology, UC Santa Barbara. "Edge and texture mechanisms in spatial vision: characteristics and consequences." Department of Psychology, University of Southern California. "Edge and texture mechanisms in human pattern vision: characteristics and consequences." Department of Psychology, University of Helsinki, Finland. "Building spatially

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Olzak complex percepts from simple neural signals." 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" th Aug., 1997 European Conference on Visual Perception 20 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.” Oct., 1995

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.

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Olzak 1980 1986 1992-1995

1995-pres.

Department of Psychology, Northwestern University (Dr. Robert Sekuler) Applications of linear structural equations to visual processes. MacAulay-Brown Publishing Co., Inc. Review and selection of material for inclusion in Engineering Data Compendium, AMRL, Wright-Patterson AFB (1988). 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. 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 "2 -order Processes in Vision" in Journal of the Optical Society of America A (2001), 18(9), 2171-2370.

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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 Vision and Ophthalmology:

Session Chair, regularly; Fight for Sight Awards Committee. 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

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Olzak 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 2000-2002 2001-pres 2001-pres 2001-pres 2002-pres 2002 2002-pres 2003-2005 2004 2006-pres 2006-pres 2006

Member, Faculty Search Committee for Department Chair Member, Departmental Committee on Student Evaluations Member, Departmental Committee on Undergraduate Statistics & Research Methods Member, Departmental Committee on Graduate Statistics & Research Methods Member, Premedical Advisory Committee, College of Arts & Sciences, Miami University Coordinator, Cognitive Brown Bag Member, Departmental Committee to develop a Developmental Concentration Member, Human Subjects’ Departmental Review Board Member, Fiscal Priorities and Budget Planning Committee Member, Internal Review Committee (Teacher Education Department, EAP) Member, Miami University Senate Pre-Optometry Club Advisor 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

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Olzak A. PEER-REVIEWED PUBLICATIONS 1. Roscoe, S. N., Olzak, L. A., and Randle, R. J. (1976) Groundreferenced visual orientation with visual displays: Monocular versus 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.

METHODOLOGICAL ARTICLE

2. Olzak, L. A. (1978) Target-terrain classification and detection performance. Proceedings of the Human Factors Society 22nd Annual Meeting, 393-397.

RESEARCH ARTICLE

3. Olzak, L. A. (1980) Bivariate response distributions in visual detection and discrimination. Proceedings of the Human Factors Society 24th Annual Meeting, 502-506.

RESEARCH ARTICLE

4. Olzak, L. A. and Thomas, J. P. (1981) Gratings: Why frequency discrimination is sometimes better than detection. Journal of the Optical Society of America, 71, 64-70.

RESEARCH ARTICLE

5. Olzak, L. A. and Wickens, T. D. (1983) The interpretation of detection data through direct multivariate frequency analysis. Psychological Bulletin, 93(3), 574-585.

THEORETICAL ARTICLE

6. Olzak, L. A. (1985) Interactions between spatially tuned mechanisms: Converging evidence. Journal of the Optical Society of America A, 2, 1551-1559.

RESEARCH ARTICLE

7. Olzak, L. A. and Thomas, J. P. (1986) "Seeing Spatial Patterns". In K. Boff, L. Kaufman, and J. Thomas (Eds.), Handbook of Perception and Human Performance. New York: John Wiley & Sons.

CHAPTER IN EDITED BOOK

8. Olzak, L. A. (1986) Widely separated spatial frequencies: Mechanism interactions. Vision Research, 26, 1143-1153.

RESEARCH ARTICLE

9. Wickens, T. D. and Olzak, L. A. (1989) The statistical analysis of concurrent detection ratings. Perception & Psychophysics, 45, 514-528.

THEORETICAL AND RESEARCH ARTICLE

10. Stanislaw, H. and Olzak, L. A. (1990) Parametric methods for gamma and inverse gamma correction with extension to halftoning. Behavior Research Methods, Instruments, & Computers, 22, 402-408.

METHODOLOGICAL ARTICLE

11. Thomas, J. P. and Olzak, L. A. (1990) Cue summation in spatial discriminations. Vision Research, 30, 1865-1875.

RESEARCH ARTICLE

12. Olzak, L. A. and Thomas, J. P. (1991) When orthogonal orientations are not processed independently. Vision Research, 31, 51-57.

RESEARCH ARTICLE

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Olzak 13. Thomas, J. P., Olzak, L. A., & Shimozaki, S. S. (1992) Using distinctive Fourier components to discriminate between complex patterns. Ophthalmic and Physiological Optics, 12, 189-192.

RESEARCH ARTICLE

14. Wickens, T. D. and Olzak, L. A. (1992) Three views of association in concurrent detection ratings. In F. Gregory Ashby (Ed.) Multi-dimensional Models of Perception and Cognition. New Jersey: Erlbaum. (pp. 229-252)

CHAPTER IN EDITED BOOK

15. Thomas, J. P. and Olzak, L. A. (1992) Simultaneous Detection and Identification. In F. Gregory Ashby (Ed.) Multidimensional Models of Perception and Cognition. New Jersey: Erlbaum. (pp. 253-277)

CHAPTER IN EDITED BOOK

16. Olzak, L. A., Wickens, T. D., and Thomas, J. P. (1992) "Constraints on Fourier models of human pattern recognition." Human Vision, Visual Processing, and Digital Display III, Bernice E. Rogowitz, Editor, Proceedings SPIE 1666 (The Society of Photo-Optical Instrumentation Engineers), 416-423.

THEORETICAL ARTICLE

17. Olzak, L. A. and Thomas, J. P. (1992) Configural effects constrain Fourier models of pattern discrimination. Vision Research, 32, 1885-1898.

THEORETICAL AND RESEARCH ARTICLE

18. Thomas, J. P., Olzak, L. A. and Shimozaki, S.S. (1993) The role of Fourier components in discrimination between two types of plaid patterns. Vision Research, 33, 1573-1579.

RESEARCH ARTICLE

19. Thomas, J. P. and Olzak, L. A. (1996). Uncertainty experiments support the roles of second order mechanisms in spatial frequency and orientation discriminations. Journal of the Optical Society of America A, 13, 689-696.

THEORETICAL AND RESEARCH ARTICLE

20. Laurinen, P. I., Olzak, L. A., and Peromaa, T. L. (1997). Early cortical influences in object segregation and the perception of surface lightness. Psychological Science, 8, 386-390.

RESEARCH ARTICLE

21. Thomas, J. P. and Olzak, L. A. (1997). Contrast gain control and fine spatial discriminations. Journal of the Optical Society of America A, 14, 2392-2405.

THEORETICAL AND RESEARCH ARTCLE

22. Olzak, L. A. and Wickens, T. D. (1997) Discrimination of complex patterns: discriminations: Orientation information is integrated across spatial scale; spatial frequency and contrast information are not. Perception, 26, 1101-1120.

INVITED RESEARCH ARTICLE

23. Olzak, L. A. & Thomas, J. P. (1999). Neural recoding in human pattern vision: Model and mechanisms. Vision Research, 39, 231-256.

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THEORETICAL AND RESEARCH ARTICLE

Olzak 24. Olzak, L. A. and Laurinen, P. I. (1999) Multiple gain-control mechanisms in contrast-contrast phenomena. Vision Research, 39, 3983-3987.

THEORETICAL AND RESEARCH ARTICLE

25. Olzak, L. A. and Wickens, T. D. (1999) Paradigm shifts: New techniques to answer new questions. Perception, 28, 1509-1532.

INVITED HISTORICAL RETROSPECTIVE

26. Thomas, J. P. and Olzak, L. A. . (2001) Spatial phase sensitivity of the mechanisms that mediates discrimination of small orientation differences. Journal of the Optical Society of America A., 18, 2197-2203.

RESEARCH ARTICLE

27. Chubb, C., Olzak, L.. A. and Derrington, A. (2001) Second-order processes in vision: introduction. Journal of the Optical Society of America A., 18, 2175-2178.

INTRODUCTION & REVIEW

28. Laack, K. A. and Olzak, L. A. (2002) Orientation-selective summing mechanisms mediate visual search. Vision Research, 42, 1871-1877.

RESEARCH ARTICLE

29. Olzak, L. A. and Thomas, J. P. (2003) Dual nonlinearities regulate contrast sensitivity in pattern discrimination tasks. Vision Research, 43 (13), 1433-1442 .

RESEARCH & THEORETICAL ARTICLE

30. Olzak, L. A.. and Laurinen, P. I. (2005) Contextual effects in fine spatial discriminations. Journal of the Optical Society of America A. 22, 2230-2238.

RESEARCH ARTICLE

31. Saylor, S. A. and Olzak, L. A. (2006) Contextual effects on fine orientation discrimination tasks. Vision Research, 46 (18), 2988-2997.

RESEARCH ARTICLE

32, Kramer, M. L. and Olzak, L. A. (2007) Collinearity and surround size effects on spatial discrimination tasks. In Revision

RESEARCH ARTICLE

B. UNPUBLISHED WORK AND TECHNICAL REPORTS 1. Olzak, L. A. (1975) An Evaluation of Incidental Learning and Retention by the method of Stimulus Redundancy. Unpublished master's thesis, San Jose State University, San Jose, CA.

UNPUBLISHED MA THESIS

2. Olzak, L. A. (1976) Evaluation of incidental learning and retention by the method of stimulus redundancy. Paper presented at the Western Psychological Association Annual Meeting, Los Angeles, CA.

UNPUBLISHED MEETING PAPER

3. Olzak, L. A. (1978). Detection of Multiple-Vehicle Targets in Realistic Terrain. Naval Weapons Center, China Lake, CA.

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TECHNICAL REPORT

Olzak (NWC TP 6061; HAC Ref. E0265) 4. Carel, W. L., Herman, J. A., and Olzak, L. A. (1978). Design Criteria for Imaging Sensory Displays. Office of Naval Research, Arlington, VA. (ONR CR 213-107-1F)

TECHNICAL REPORT

5. Corrick, G. E., Olzak, L. A., and Agin, A. K. (1979). Linear Structural Equation Models of Target Acquisition Performance. Naval Weapons Center, China Lake, CA. (HAC Ref. E3900)

TECHNICAL REPORT

6. Olzak, L. A. (1981). Inhibition and Stochastic Interactions in Spatial Pattern Perception. (Doctoral Dissertation, University of California, Los Angeles, 1981). Dissertation Abstracts International, 42, 1651B. (University Microfilms No.8121021)

DOCTORAL DISSERTATION

7. Olzak, L. A., Thomas, J. P. and Stanislaw, H. (1987). Development of a Chromatic/Luminance Contrast Scale. United States Department of Transportation, United States Coast Guard. November, 1987. (DOT Report No. CG-D 12-87)

TECHNICAL REPORT

8. Wickens, T. D. and Olzak, L. (1988, July). The statistical analysis of concurrent detection ratings. Symposium on Probabilistic Multidimensional Models of Perception, Twenty-First Annual Mathematical Psychology Meeting, Evanston, IL. July, 1988.

UNPUBLISHED INVITED ABSTRACT & PAPER

9. Olzak, L. A. (1989). Development of a Chromatic/Luminance Contrast Scale: Field Validation. United States Department of Transportation, United States Coast Guard (DOT Report No. CG-D 2-89).

TECHNICAL REPORT

10. Olzak, L. A. (2001, June). Quantitative Models of Multiple Processing Levels. York International Conference "Levels of Perception". Departments of Computer Science, York University, Toronto, CANADA

UNPUBLISHED INVITED ABSTRACT & PAPER

11. Olzak, L. A., Wickens, T. D. and Thomas, J. P (July, 2002). A hybrid approach to quantitative modeling of sensory systems. Symposium on Quantitative Models in Visual Processing. Annual Mathematical Psychology Meeting, Oxford, OH.

UNPUBLISHED INVITED ABSTRACT & PAPER

12. Olzak, L. A. (June, 2003). Lateral Interactions in Discrimination. Visual Processing of Spatial Form Defined by Luminance, Colour, Motion, Texture and Binocular Disparity. Conference to Celebrate the Career of David Martin Regan. York University, Ontario, Canada.

UNPUBLISHED ABSTRACT & PAPER

C. IN PREPARATION

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Olzak 1. Schussler, E. E. and Olzak, L. A. It’s not easy being green: Student recall of plant and animal images. Under Review 2. Persike, M, Olzakla, L. A. and Meinhardt, G. Contour integration across spatial frequency band. In preparation 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. In preparation

5. 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.

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Olzak *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.

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Olzak *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

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Olzak 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.

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Olzak *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

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Olzak 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 st suppression? Paper presented at the 21 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 st edge-coding mechanisms. Paper presented at the 21 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 orientationst based visual search tasks II. Paper presented at the 22 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 st non-Fourier, contrast modulated components. Paper presented at the 22 European Conference on

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Olzak 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 rd pattern discrimination. Invited paper presented at the 23 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 rd in contrast gain control. Paper presented at the 23 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.

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Olzak

*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 th contextual effects in fine discrimination tasks. Paper presented at the 25 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 th Lateral Gain Control? Paper presented at the 25 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 th luminance signals in contrast gain control. Paper presented at the 25 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 th discrimination tasks? Paper presented at the 26 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 contrastth contrast phenomena. Paper presented at the 26 European Conference on Visual Perception, Paris France. Perception, 32s, http://www.perceptionweb.com/perception/ecvp03/0991.html.

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Olzak *93. Saarela, T. P., Olzak, L. A., Laurinen, P. I. (2003) Orientation-dependent spatial asymmetry th of surround suppression in contrast perception. Paper presented at the 26 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 centersurround 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 th Spatial Frequency Bandwidths in Fine Spatial Discriminations. Paper presented at the 27 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 th and contrast determine apparent contrast. Paper presented at the 27 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 contrastcontrast. 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 th differences across lateral interaction tasks. Paper presented at the 28 European Conference on Visual Perception, A Coruna, Spain. Perception, 34s, http://perceptionweb.com/ecvp05, doi10.1068/ecvp05

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Olzak hyperlink. *104. Laurinen P. I., Olzak L. A., Nurminen, L. O. and Pihlaja, M. E. (2005) Does surround size th matter in contrast gain control? Paper presented at the 28 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 th human visual contrast processing. Paper presented at the 28 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 th paradigm. Paper presented at the 29 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 st when teaching. Paper presented at the 91 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, in press. *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, in press. *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, in press. *115. Kramer, M. L. and Olzak, L. A. (2007) The effects of collinearity on contrast discrimination

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Olzak tasks. Paper presented at the Vision Sciences Society Annual Meeting, Sarasota, FL. Journal of Vision, in press. *116. Olzak, L. A. and Kramer, M. L. (2007) Higher-level processes in the second-order system. th Paper presented at the 30 European Conference on Visual Perception, Arrezzo, Italy. Perception, 36s, in press. *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, in press

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