Widespread presence of direction-reversing neurons in the mouse visual system

Abstract

Direction selectivity, the preference of motion in one direction over the opposite, is a fundamental property of visual neurons across species. We find that a substantial proportion of direction selective neurons in the mouse visual system reverse their preferred direction of motion in response to drifting gratings at different spatiotemporal parameters. A spatiotemporally asymmetric filter model recapitulates our experimental observations.

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