Research Interests
My research interest extends into the areas of computational, psychophysical, & physiological basis of perceptual learning and attention.
Wilson Chu, Ph.D.
Postdoctoral Fellow
Department of Cognitive Sciences, University of California, Irvine
office: Social Science Laboratory (SSL) 340
phone: (949)824-9587
email: wchu3 at uci dot edu
Education
Ph.D., Cognitive Psychology, University of Southern California.
Dissertation title: Temporal Dynamics of
Perceptual Decision
B.A., Psychology, University of Southern California.
Fellowships
2006 Final Year Dissertation Fellowship. University of Southern California, College of Letters, Arts, and Sciences.
2000 Provost Undergraduate Research Fellowship. University of Southern California, College of Letters, Arts, and
Sciences
Publications
2009 Li, X., Z-L., Tjan, B.S., Dosher, B.A., Chu, W., Mechanism of Covert Attention: External Noise
Exclusion and Stimulus Enhancement in Early Visual Area Cerebral Cortex, (In Press)
2008 Lu, Z.-L., Tse, H.C., Dosher, B.A., Lesmes, L.A., Chu, W., & Posner, C., Intra- and cross-modal cuing of
visual spatial attention: The hyper-effective simultaneous auditory peripheral cues. Vision Research,
Vision Research Vol. 49, Issue 10, pp 1081-1096
Li, X., Li, Z.-L., Tjan, B.S., Dosher, B.A., & Chu, W., BOLD Contrast Response Functions Identify
Mechanisms of Covert Attention in Early Visual Areas, Proceedings of the National Academy of Sciences,
USA, 105(16), 6202-6207.
2006 Lu, Z.-L., Chu, W., & Dosher, B.A., Perceptual Learning of motion direction discrimination in fovea:
Separable mechanisms, Vision Research, 46(15), 2315-2327
2005 Lu, Z.-L., Chu, W., Dosher, B., & Lee, S., Independent Perceptual Learning in Monocular and Binocular
Motion Systems, Proceedings of the National Academy of Sciences, USA, 102(15), 5624-5629
1999 Kearns-Jonker, M., Swenson, J., Ghiuzeli, C., Chu, W., Osame, Y., Starnes, V., and Cramer, D.V., The human
xenoantibody response to porcine xenoantigens is encoded by IGHV3-11
and IGHV3-74 immunoglobulin
IgVH germline progenitors. Journal of Immunology, 163(8), 4399-4412
1998 Kearns-Jonker, M., Fraiman, M., Chu, W., Gochi, E., Michel, J., Wu, G.D., and Cramer, D.V., Xenoantibodies to
pig endothelium are expressed in germline configuration and share a
conserved immunoglobulin VH
gene structure with antibodies to common infectious agents. Transplantation 65 1515-1519
Conference Proceedings
(*) Indicates publication of abstract.
2009 *Chu, W., Dosher, B.A., Lu, Z.-L., The rate of perceptual learning at a fixed accuracy threshold is
improved by feedback and by mixture with easier trials. Poster presented by Chu at the 2009
Vision Science Society Meeting, Sarasota, Florida
*Dosher, B.A., Chu, W., Lu, Z.-L., Perceptual Learning of Judgement Percision: An Elobrated
Perceptual Template Model. Talk given by Dosher at the 2009 Annual Interdisciplinary Conference,
Jackson, Wyoming, USA
*Dosher, B.A., Chu, W., Lu, Z.-L., Orientation thresholds and perceptual learning: An elaborated
perceptual template model. Poster presented by Dosher at the 2009 Vision Science Society
Meeting, Sarasota, Florida
2007 *Li, X., Lu, Z.-L., Tjan, B.S., Dosher, B.A., and Chu, W., Attention modulation of the BOLD-fMRI contrast
response functions in early visual areas. Poster presented by Li at the 2007 Vision Science Society Meeting,
Sarasota, Florida
*Lu, Z.-L., Li, X., Tjan, B.S., Dosher, B.A., Chu, W., Mechanisms of Covert Attention: External Noise
Exclusion and Stimulus Enhancement in Early Visual Areas. Poster presented by Lu at the 2007 Vision
Science Society Meeting, Sarasota, Florida
2006 *Li, X., Lu, Z.-L., Tjan, B.S., Dosher, B.A., and Chu, W., Attention modulation of the BOLD-fMRI contrast
response functions in early visual areas. Poster presented by Li at the 2006 Society for Neuroscience
conference, Atlanta, Georgia
*Chu, W., Li, Z.-L., Dosher, B.A., Effects of perceptual learning on the temporal dynamics of perceptual
decision. Poster presented by Chu at the 6th annual Vision Science Society Meeting, Sarasota, Florida
Lu, Z.-L., Li, X., Tjan, B.S., Dosher, B.A., and Chu, W., Attention modulation of the BOLD-fMRI contrast
response functions in early visual areas. Psychonomics.
2005 *Chu, W., Lu, Z.-L., Dosher, B.A., and Lee, S., Independent Perceptual Learning in Monocular and Binocular
Motion Systems, Poster presented by Chu at the 5th annual Vision Science Society Meeting, Sarasota, Florida
2004 Lu, Z.-L., Chu, W., Dosher, B.A., and Lee, S., Independent Perceptual Learning in Monocular and Binocular
Motion Systems, Talk given by Lu at the Fall Vision Meeting (FVM), Rochester, NY.
*Chu, W., Lu, Z.-L., and Dosher, B.A., Characterizing and modeling temporal dynamics of perceptual
decision-making. Poster presented by Chu at the Joint Symposium of Neural Computation, Los Angeles, CA
2003 *Chu, W., Lu, Z.-L., and Dosher, B.A., Characterizing and modeling temporal dynamics of perceptual
decision-making., Poster presented by Chu at the 3rd annual Vision Science Society Meeting, Sarasota, Florida
*Lu, Z.-L., Tse, H.C., Dosher, B.A., Lesmes, L.A., Chu, W., & Posner, C., Intra- and cross-modal cuing of
visual spatial attention: The hyper-effective simultaneous auditory
peripheral cues. Poster presented by
Lu at the 3rd annual Vision Science Society Meeting, Sarasota, Florida
Lu, Z.-L., Chu, W., & Dosher, B.A., Temporal dynamics of perceptual decision. Poster presented by Dosher at
the 26th annual European Conference on Visual Perception (ECVP), Paris,
France
2002 *Chu, W., Lu, Z.-L., and Dosher, B.A., Perceptual learning of motion direction discrimination in fovea
reflects mixed but separable mechanisms of stimulus enhancement and
template retuning. Poster
presented by Chu at the 2nd annual Vision Science Society.
2001 *Chu, W., Lu, Z.-L., Dosher, B.A., and Lee, S., Perceptual learning via external noise exclusion and stimulus
enhancement: monocular for first-order motion, binocular for Gabor
orientation. Talk given by Chu at the
annual meeting of the Association for Research in Vision and
Ophthalmology
*Lesmes, L.A., Lu, Z.-L., Dosher, B., Sperling, G., Chu, W., and Posner, C., Intra- and Cross-Modal Activation
of Attention Gates. Talk given by Lesmes at the annual meeting of the Association for Research in Vision and
Ophthalmology
2000 Chu, W., Lesmes, L.A., Lu, Z.-L., Dosher, B., Sperling, G., Mechanisms of multi-modal attention, Psychology
Undergraduate Research Conference, (PURC), UCLA. Talk given by Chu
Press
July, 2008, Matteo Carandini: Faculty of 1000 Biology, 2 Jul 2008
(http://www.f1000biology.com/article/id/1115428/evaluation)
January, 2008, Knowing how to get attention, USC News
(http://stevens.usc.edu/read_article.php?news_id=276)
March, 2005, To train the eye, keep it simple., USC News
(http://www.usc.edu/uscnews/stories/11147.html)
March, 2005, To train the eye, keep it simple. Medical News Today
(http://www.medicalnewstoday.com/articles/22048.php)