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A feedback model of perceptual learning and categorization

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Top-down, feedback, influences are known to have significant effects on visual information processing. Such influences are also likely to affect perceptual learning. This paper employs a computational model of the cortical region interactions underlying visual perception to investigate possible influences of top-down information on learning. The results suggest that feedback could bias the way in which perceptual stimuli are categorized and could also facilitate the learning of subordinate level representations suitable for object identification and perceptual expertise.

Document Type: Research Article


Affiliations: Centre for Brain and Cognitive Development, Birkbeck College, London

Publication date: January 1, 2006

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