VIU LogoVision & Image Understanding

Perceptual Learning

When faced with a new perceptual task such as object discrimination, face recognition, and or visual search humans are often uncertain about which visual properties (i.e., features) are relevant and which are irrelevant to the new task (Eleanor Gibson, 1969, 1991). With practice humans learn to use task-relevant features and ignore irrelevant features and thus improve their performance. We have developed a new paradigm (optimal learning paradigm, OPL) that allows to compare how well humans learn (via attentional weighting optimization) compared to an optimal Bayesian learner. This approach allows to us to identify what are the sources of suboptimality in human perceptual learning.

Trenti E.J., Barraza J.F., Eckstein M.P. Learning motion: Human vs. optimal Bayesian learner, Vision Research, 50(4):460-72, (2010)

J.A. Droll, C.K. Abbey, & M.P. Eckstein, “Learning cue validity through performance feedback,” Journal of Vision, 9(2):18, 1-22, 2009

Peterson MF, Abbey CK & Eckstein MP (2009). The suprisingly high human efficiency at learning to recognize faces. Vision Research, 49(3), 301-314.