Howard C. Hughes

Academic Appointments


We use psychophysical methods in combination with fMRI and electrophysiological recordings in humans to investigate the mechanisms of perception, how perception controls movements, and how those movements in turn affect our percepts.

351 Moore
HB 6207
Psychological and Brain Sciences
B.A. Pennsylvania State University
M.A. Ohio State University
Ph.D. Ohio State University, 1975

Selected Publications

Berryhill, M.E., Chiu, T., & Hughes, H.C. Smooth pursuit of nonvisual motion.
Journal of Neurophysiology, 2006, 96 (1): 461-464.

Kveraga, K., Berryhill, M. & Hughes, H.C. Directional uncertainty in visually guided pointing.  Perceptual and Motor Skills, 2006, 102 (1): 125-132.

Berryhill, M.E., Kveraga, K., Webb, L. & Hughes, H.C. Effect of uncertainty on the time course for selection of verbal name codes.  Perception & Psychophysics, 2005, 67 (8): 1437-1445.

Kveraga, K. & Hughes, H.C. Effects of stimulus-response uncertainty on saccades to near-threshold targets.  Experimental Brain Research, 2005, 162 (3): 401-405.

Berryhill, M., Kveraga, K. & Hughes, H. C. Effects of directional uncertainty on visually-guided joystick pointing.  Perceptual & Motor Skills, 2005, 100, 267-274

Boucher, L., Lee, A., Cohen, Y.E. & Hughes, H.C. Ocular tracking as a measure of auditory motion perception. J. Physiol. (Paris), 2004, 98, 235-248.

Berryhill, M., Kveraga, K. & Hughes, H.C. Effects of directional uncertainty on ocular and manual tracking. Cognitive Brain Research, 2004, 19, 100-102.

Tse, Peter U.andHughes, H. C., “Visual pattern and form perception,” in New Encyclopedia of Neuroscience , (2004).

Kveraga, K., Boucher, L., & Hughes, H.C. Saccades operate in violation of Hicks' Law. Experimental Brain Research 2002, 146 (3), 307-314.

Hughes, H. C., Sensory Exotica: Delfini, Api, Pipistrelli e I Loro Sistemi Sensoriali, (2002).

Hughes, H. C., Sensory Exotica: A World Beyond Experience , (1999, paperback 2001).

Boucher, L.B., Groh, J.M. & Hughes, H.C. Afferent delays and the mislocalization of perisaccadic stimuli, Vision Research, 2001, 41, 2631-2644.

Kveraga, K., Fendrich, R. & Hughes, H.C. Ocular pursuit of predicted motion trajectories. Experimental Brain Research, 2001, 138 (3): 393-397.

Hughes, H.C., Darcey, T. M., Barkan, H.I., Williamson, P.D. & Roberts, D.W & Aslin, C.H. Responses of human auditory association cortex to the omission of an expected acoustic event. NeuroImage, 2001, 13, 1073-1089.

Darcey, T. M., Hughes, H. C., Barkan, H. I., Saykin, A. J., “Preoperative functional mapping using intracranial EEG activation methods,” in Neocortical Epilepsy: Advances in Neurology , P.D. Williamson, et al. (eds.), 84 (2000) 331-341.

Hughes, H.C. Sensory Exotica: A World Beyond Human Experience, 1999; paperback edition 2001, The MIT Press.
** Scholarly Division of the Association of American Publishers 1999 Best Book in Biological Sciences **

Hughes, H.C., Nelson, M. & Aronchick, D. Spatial characteristics of visual-auditory summation in human saccades. Vision Research, 1998, 38, 3955-3963.

Hughes, H.C. & Townsend, J.T. Varieties of binocular interaction in human vision. Psychological Science, 1998, 9, 53-60.

Hughes, H.C., Aronchick, D.A. & Nelson, M.D. Spatial scale interactions and visual tracking performance. Perception, 1997, 26, 1047-1058.

Hughes, H.C., Nozawa, G. & Kitterle, F. Global precedence, spatial frequency channels, and the statistics of natural images. Journal of Cognitive Neuroscience, 1996, 8, 197-230.

Reuter-Lorenz, P.A., Nozawa, G., Gazzaniga, M.S. & Hughes, H.C. The fate of neglected targets: A chronometric analysis of redundant target effects in the bisected brain. Journal of Experimental Psychology: Human Perception and Performance, 1995, 21, 211-230.

Nozawa, G., P.A. Reuter-Lorenz & Hughes, H.C. Parallel and serial processes in the human oculomotor system: Bimodal integration and express saccades. Biological Cybernetics, 1994, 72, 19-34.

Matsumoto, R. Walker, B.B., Walker, J. M., and Hughes, H. C., “Fundamentals of neuroscience,” in Principles of Psychophysiology: Physical, Social and Inferential Elements , J. Caccioppo and L. Tassinary (eds.), (1990) 58-113.

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Works in Progress

“Smooth pursuit of non-visual motion”

“Multimodal access to verbal name codes”

“Pop-out versus discrimination: Color defined targets and visual facilitation”

Wang, S. & Hughes, H.C. Auditory Systems in Insects. The New Encyclopedia of Neuroscience, Elsevier, in press

Berryhill, M.E, Kveraga, K., Webb, L. & Hughes, H.C.  Multimodal access to verbal name codes.  Perception & Psychophysics, in press