Graduate Students

IMAG0141_justmeChéla Willey

Doctoral Student, Cognitive Psychology, UCLA

M.A., Experimental Psychology, CSUSM

B.A., Psychology and Criminology & Justice Studies, CSUSM, magna cum laude

Email: cwilley@ucla.edu

Research Interests

My research interests include motion and action processing, action execution, visual/vestibular integration, motor and perceptual learning, sensory weighting/reweighting and multisensory integration.

 

Publications:

Willey, C.R. & Jackson R.E. (2014). Visual field dependence as navigation strategy. Attention, Perception & Psychophysics, 76 (4), 1036–1044. doi: 10.3758/s13414-014-0639-x

Jackson, R. E. & Willey, C. R. (2013). Evolved navigation theory and the plateau illusion. Cognition, 128 (2), 119-126. doi: 10.1016/j.cognition.2013.03.010

Jackson, R.E., Willey, C.R., & Cormack, L.K. (2013) Learning and exposure affect environmental perception less than evolved navigation costs. PLoS ONE 8 (4): e59690. doi: 10.1371/journal.pone.0059690

Jackson, R.E. & Willey, C. R. (2010). Evolved navigation theory and horizontal visual illusions, Cognition, 119 (2), 288-294, doi:10.1016/j.cognition.2010.11.003

 


 

Andrew Silva

Doctoral Student, Cognitive Neuroscience, Department of Psychology, UCLA

NSF Graduate Research Fellow

B.A., Psychology, UC Irvine, magna cum laude

M.A., Psychology, UCLA

Email: aesilva@ucla.edu

Research Interests

My research interests include visual motion processing and perceptual learning, multisensory integration and learning, and underlying neural mechanisms of visual and audio-visual perception.

Publications and Conference Papers:

Barakat, B.K., Silva, A.E., Jimenez, L.O., & Shams, L. (In Preparation). Audiovisual congruency increases explicit learning in a serial reaction time task.

Silva, A.E., & Liu, Z. (2015). Opponent backgrounds reduce discrimination sensitivity to competing motions: Effects of different vertical motions on horizontal motion perception. Vision Research, 133,55-64 doi: 10.1016/j.visres.2015.05.007

Silva, A.E., & Chubb, C. (2014). The 3-dimensional, 4-channel model of human visual sensitivity to grayscale scrambles. Vision Research, 101, 94-107. doi: 10.1016/j.visres.2014.06.001

Guan, H., Lee, M.D., & Silva, A. (2014). Threshold models of human decision making on optimal stopping problems in different environments. In Bello, P., Guarini, M., McShane, M., & Scassellati, B. (Eds), Proceedings of the 36th Annual Conference of the Cognitive Sciences Society. 553-558. Austin, TX: Cognitive Sciences Society.

Chubb, C., Dickson, C.A., Dean, T., Fagan, C., Mann, D.S., Wright, C.E., Guan, M., Silva, A.E., Gregersen, P., & Kowaslky, E. (2013). Bimodal distribution of performance in discriminating major/minor modes. Journal of the Acoustical Society of America, 134(4), 3067-3078. doi:10.1121/1.4816546

Presentations:

Silva, A.E., & Liu, Z. [poster]. The effects of different orientations of in-phase and counter-phase backgrounds on horizontal motion discrimination. Vision Sciences Society 14th Annual Meeting. St. Pete Beach, FL, May 2015.

Silva, A.E., Barakat, B.K., Jimenez, L., & Shams, L. [poster]. Audiovisual congruency increases explicit learning in a serial reaction time task. International Multisensory Research Forum, Pisa, IT, June 2015.

Silva, A.E., & Liu, Z. [poster]. Vertical opponency modulates sensitivity to horizontal motion. Vision Sciences  Society 13th Annual Meeting. St. Pete Beach, FL, May 2014.

Guan, M., Silva, A.E., & Lee, M.D. [poster]. Threshold models of human decision-making on optimal stopping problems in different environments. Society for Mathematical Psychology 46th Annual Meeting. Potsdam, Germany, August 2013.

Chubb, C., Silva, A. E. [talk presented by 1st author].  The four human visual mechanisms sensitive to gray scale scrambles. Vision Sciences Society 12th Annual Meeting. Naples, FL, May 2013.

Silva, A.E., Lee, M.D., Gorbunov, M., & Li, A. [poster]. Framing and adaptation effects in optimal stopping problems. Society for Mathematical Psychology 45th Annual Meeting. Columbus, OH, June 2012.

Silva, A.E. [talk].Visual search asymmetry in luminance, contrast, and blackshot texture discrimination. UCI Undergraduate Research Symposium, May 2012

 


 

Yang Zen Xing (Mac)

Doctoral Student, Cognitive Psychology {Computational Cognition Specialization}

B.A., Psychology, UCLA

Email: yangxing92@gmail.com

Research Interests

My research interests include shape representation, perceptual organization, depth perception, cue integration, and visual motion processing.

Publications:

Erlikhman, G., Xing, Y.Z., & Kellman, P.J. (2014). Non-rigid illusory contours and global shape transformations defined by spatiotemporal boundary formation. Frontiers in Human Neurosciences. 8:978. doi:10.3389/fnhum.2014.00978.