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Neurophysiological computations and mechanisms that mediate human vision, particularly changes in vision across the life span and in diseases of the retina and optic nerve. Current studies use psychophysical and electrophysiological methods, together with high-resolution retinal imaging (adaptive optics and optical coherence tomography), to study both normal aging and age-related diseases leading to blindness.
Visual psychophysics and neural foundations of visual perception, color and spatial vision, human development and aging.
NPB90b/NPB164/NPB 261A,B,C / Psych 290 / NSC 261A Vision Science
Webster, M.A., Halen, K., Meyers, A.J., Winkler, P. & Werner, J.S. (2010) Color appearance and compensation in the near periphery. Proceedings of the Royal Society, B, 277, 1817-1825.
Choi, S.S., Zawadzki, R.J., Lim, M.C., Brandt, J.D., Keltner, J.L., Doble, N. & Werner, J.S. (2010) Evidence of outer retinal changes in glaucoma patients as revealed by ultrahigh resolution in vivo retinal imaging. British Journal of Ophthalmology, in press.
Elliott, S.L. & Werner, J.S. (2010) Age-related changes in contrast gain related to the M- and P-pathways. Journal of Vision, 10(4), 1-15.
Zawadzki, R.J., Choi, S.S., Fuller, A.R., Evans, J.W., Hamann, B. & Werner, J.S. (2009) Cellular resolution volumetric in vivo retinal imaging with adaptive optics - optical coherence tomography.
Optics Express, 17, 4084-4094.
Werner, J.S. & Ratliff, F. (1999) Some origins of the lightness and darkness of colors -- in the visual arts and in the brain. TECHNE - La science au service de l'histoire de l'art et civilisations, No. 9-10, 61-73 (Technical journal of the Louvre)