Steven Shimozaki, Ph.D., Psychology


Dept. of Psychology
University of California
Santa Barbara, CA 93106-9660
VOICE: 805-893-3853
FAX: 805-893-4303
Email Address : shimozak@psych.ucsb.edu


 

RESEARCH INTERESTS

Color and lightness constancy, spatial vision, visual attention, eye movements.


 

PUBLICATIONS

Shimozaki, S.S., Harber, P., Barrett, T., & Loisides, P. (1988) Subjective tolerance of respirator loads and its relationship to physiologic effects. American Industrial Hygiene Association Journal, 49, 108-116.

Thomas, J., Olzak, L., & Shimozaki, S. S. (1992) Using distinctive Fourier components to discriminate between complex patterns. Ophthalmic and Physiological Optics, 12, 189-192.
Thomas, J., Olzak, L., & Shimozaki, S. S. (1993) The role of Fourier components in discrimintion between two types of plaid patterns. Vision Research, 33(11), 1573-9.
Shimozaki, S.S. (1994) Simultaneous contrast and adaptation effects on lightness judgments. Doctoral dissertation. UMI, Ann Arbor, Michigan.
Shimozaki, S.S., Eckstein, M.,P., & Thomas., J.P. (1999) The maintenance of apparent luminance of an object. Journal of Experimental Psychology : Human Perception and Performance, 25(5), 1433-53.
Eckstein, M.P., Thomas, J.P., Palmer, J, & Shimozaki, S.S. (2000) A signal detection model predicts the effects of set-size in visual search accuracy for feature, conjunction and disjunction displays, Perception and Psychophysics,62(3), 425-451.
Shimozaki, S.S., Thomas, J.P., & Eckstein, M.P. (2001)  Luminance modulation effects on local and nonlocal contrast judgments.  Perception and Psychophysics,in press.
 
Under Review
Shimozaki, S.S., Eckstein, M.P., & Abbey, C.K. (2001) Stimulus information contaminates psychophysical tests of independent neural representations. Journal of Vision. 
Shimozaki, S.S., Eckstein, M.P., & Abbey, C.K. (2001) Validity effects in a cueing task without limited resources: an ideal observer analysis. Psychological Science.


In Preparation

Shimozaki, S., Zelinsky, G., Merigan, W., Hayhoe, M., Weinstein, A., & Ballard, D. Spatial memory and saccade targeting deficits in visual search after left and right parietal injury.

 

SELECTED CONFERENCE PROCEEDINGS

Shimozaki, S., & Thomas, J. (1992) Lightness constancy and adaptation to illumination varying as a temporal sinusoid.Advances in Color Vision, Optical Society of America Technical Digest Series, 4, 69-71. 
Shimozaki, S., Thomas, J., & Eckstein, M. (1994) Adaptation and contrast effects on lightness judgments. Optical Society of America Annual Meeting, 25, 120.
Pelz, J., Hayhoe, M., Shimozaki, S., & Ballard, D.M. (1994)Trade-off between eye movements and working memory in natural tasks. Investigative Ophthalmology and Visual Science (ARVO meeting abstracts, May 1995), 36(4), S14.
Shimozaki, S., Eckstein, M., & Thomas, J. (1994) The maintenance of lightness constancy for an object.Investigative Ophthalmology and Visual Science (ARVO meeting abstracts, May 1995), 36(4), S639.
Shimozaki, S., Merigan, W., Zelinsky, G., Hayhoe, M.,& Ballard, D. (1996)Spatial memory and saccade targeting deficits from left parietal injury. Investigative Ophthalmology and Visual Science (ARVO meeting abstracts, May 1996), 37(3), S181, 1996.
Shimozaki, S.,Weinstein, A., Hayhoe, M.,Merigan, W., Zelinsky, G., & Ballard, D.(1997) Eye tracking of a right parietal patient and normal subjects during the 7/24 spatial recall test and object memory tests.Conference of the Rotman Institute on Memory Disorders, in Brain and Cognition, 35, 388-92.
Shimozaki, S.S., Greenlee, M.W., Thomas, J.P., & Hennig, J.(1998) Color memory with a changing illuminant : an fMRI psychophysical comparison study.The 4th International Conference on Functional Mapping of the Human Brain, in NeuroImage, 7(4), S316.
Shimozaki, S.S., Abbey, C.K., Eckstein, M.P. (2000) Ideal observer analysis of visual search : is performance improvement from feature to disjunction tasks explained by stimulus information? Investigative Ophthalmology and Visual Science (ARVO meeting abstracts, May 2000), 41(4), S423.
Shimozaki, S.S., Abbey, C.K., Eckstein, M.P. (2001) Validity effects in the Posner task without enhanced processing or limited resources: an ideal observer analysis. Investigative Ophthalmology and Visual Science (ARVO meeting abstracts, May 2001), in press.
Shimozaki, S.S., Abbey, C.K., Eckstein, M.P. (2001, submitted) An ideal observer with channels predicts search performance of spatial frequency and orientation. European Conference on Visual Perception (ECVP), Kudadasi, Turkey, August, 2001.
 

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