JNP Podcasts

Spatial receptive field structure of double-opponent cells in macaque V1

May 7, 2021

In this podcast Dr. Greg Horwitz of the University of Washington discuses double-opponent cells in macaque area V1, a class of neurons that respond to spatial chromatic contrast in visual scenes. What information they carry is debated because their receptive field organization has not been characterized thoroughly. Using white noise analysis and statistical model comparisons, De and Horwitz show that many double-opponent receptive fields can be captured by either a Gabor model or a center-with-an-asymmetric-surround model but not by a difference-of-Gaussians model.

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