Modeling Directional Selectivity Using Self-Organizing Delay-Aadaptation Maps

Tversky, Tal and Miikkulainen, Dr. Risto (2002) Modeling Directional Selectivity Using Self-Organizing Delay-Aadaptation Maps. [Journal (Paginated)] (In Press)

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Using a delay adaptation learning rule, we model the activity-dependent development of directionally selective cells in the primary visual cortex. Based on input stimuli, a learning rule shifts delays to create synchronous arrival of spikes at cortical cells. As a result, delays become tuned creating a smooth cortical map of direction selectivity. This result demonstrates how delay adaption can serve as a powerful abstraction for modeling temporal learning in the brain.

Item Type:Journal (Paginated)
Keywords:self-organization, delay adaptation, direction selectivity, cortical maps, cortical development, visual cortex
Subjects:Neuroscience > Computational Neuroscience
Computer Science > Neural Nets
ID Code:2431
Deposited By: Tversky, Tal
Deposited On:27 Aug 2002
Last Modified:11 Mar 2011 08:54

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