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Updated: May 15, 2026

Closed-loop Neuro-robotic Experiments to Test Computational Properties of Neuronal Networks
Published on: March 2, 2015
Lag normalization in an electrically coupled neural network
Stuart Trenholm1, David J Schwab, Vijay Balasubramanian
1Department of Biology, University of Victoria, Victoria, British Columbia, Canada.
Abstract:
Moving objects can cover large distances while they are processed by the eye, usually resulting in a spatially lagged retinal response. We identified a network of electrically coupled motion-coding neurons in mouse retina that act collectively to register the leading edges of moving objects at a nearly constant spatial location, regardless of their velocity. These results reveal a previously unknown neurophysiological substrate for lag normalization in the visual system.
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