Spatial Vision

Occipital network for figure/ground organization. Experimental Brain Reseach, 2008, 189:257-67 (with LT Likova). PDF

Independent components in stimulus-related BOLD signals and estimation of the underlying neural responses. Brain Research, 2008,1229, 72-89. (with L.L. Kontsevich and T.C. Ferree). PDF

Crowding: A neuro-analytic approach. J. Vision 7:1-9, 2007. (with L. Likova). PDF

Spatial summation of face information. J Vision 6:1117-25, 2006 (with C.C. Chen). http://journalofvision.org//6/10/11/. PDF

Extended concepts of occipital retinotopy. Current Medical Imaging Reviews, 1:319-329, 2005 (with L.T. Likova, L.L. Kontsevich, C.C. Chen, M.M. Schira, A.R. Wade). PDF

Lateral modulation of BOLD activation in unstimulated regions of human visual cortex. Neuroimage 24: 802-9, 2005 (with C.C. Chen, C.L. Liu & Y.H. Wang). PDF

What makes Mona Lisa smile? Vision Res. 44:1493-8, 2004 (a classification image approach to the recognition of emotion in facial features; with L. Kontsevich). PDF

On the local channel structure of sustained peripheral vision. Human Vision and Electronic Imaging,VII : 26-33, 2004 (with L.L. Kontsevich). PDF

Occlusions contribute to scaling in natural images. Vision Res. 41: 955-64, 2001 (with R. Balboa and N. M. Grzywacz). PDF

Lateral sensitivity modulation explains the flanker effect in contrast discrimination. Proc Biol Sci. 268:509-16, 2001. (with C.C. Chen). PDF

Spatial pattern summation is phase-insensitive in the fovea but not in the periphery. Spat Vision 12:267-85, 1999. (with C.C. Chen). PDF

What pattern the eye sees best. Vision Res. 39:887-895, 1999. (with U. Polat). PDF

Diffuse illumination as a default assumption for shape-from-shading in the absence of shadows. J. Inf. Sci. Tech. 42:319-325, 1998. PDF

On the perception of illusory visual contours. Vision Res. 34: 3145-3152, 1994 (with V.S. Ramachandran, D. Ruskin, S. Cobb, D. Rogers-Ramachandran). PDF

Increment and decrement asymmetries: Implications for pattern detection and appearance. Proc. Soc. Inform. Display 23:251-254, 1992 (with H. Chan).

Visual evoked potentials: Isolation of cortical populations narrowly tuned to spatial frequency. In, Neurophysiology and Psychophysiology, Galbraith G.C., Kietzman M.L., Donchin E. (Eds.), Erlbaum: New Jersey, 91-101, 1988 (with K. Nakayama, P. Apkarian, M. Mackeben).

Comparative study of electrophysiological and psychophysical measurement of the contrast sensitivity function in humans. Am. J. Optom. Physiol. Opt. 63:442-449, 1986 (with D. Allen, A.M. Norcia). Properties of localized pattern evoked potentials. Ann. N.Y. Acad. Sci. 388:662-670, 1982 (with P. Apkarian).

VEP assessment of visual function. Vision Res. 21:607-609, 1981 (with P. Apkarian, K. Nakayama, D.M. Levi).

Grating induction: A new type of aftereffect. Vision Res. 20:437-441, 1980 (with K. Nakayama).

Multiple spatial frequency tuning of electrical responses from human visual cortex. Exp. Brain Res. 33:535-550, 1978 (with P. Apkarian, K. Nakayama). PDF

An additional dimension to grating perception. Perception 7:707-715, 1978. PDF

Spatial frequency sensitivity of neurons in cat visual cortex. Vision Res. 18:121-122, 1978.

Some new entoptic phenomena. Vision Res. 18:1633-1639, 1978. PDF

Some new entoptic phenomena. Vision Res Visual echoes: The perception of repetition in quasi-random patterns. Vision Res. 17:109-116, 1977 (with J.J. Chang). PDF

Images and afterimages of sinusoidal gratings. Vision Res. 16:345-350, 1976 (with T.R. Corwin, C.L. Volpe).

Is the triangle real or illusory? Perception 6:603-604, 1977.

Computer art. Creative Computing, 88-91, 1976.

Visual processing of repetitive images. Proc. S.P.I.E. 74:216-222, 1976 (with J.J. Chang).

Spatial frequency channels in cat visual cortex? Vision Res. 15:303-304, 1975.

Observations on spatial frequency doubling. Perception 3:81-86, 1974.