Simple cell

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Gabor filter-type receptive field typical for a simple cell. Blue regions indicate inhibition, red faciliation
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Gabor filter-type receptive field typical for a simple cell. Blue regions indicate inhibition, red faciliation

A simple cell in the primary visual cortex is a cell that responds primarily to oriented edges and gratings (bars of particular orientations). These cells are discovered by Torsten Wiesel and David Hubel in the 1960s.

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