Effect of adapting target size on the gain of the surround response mechanism in X- and Y-cells in cat retina

W G ChristenT W Robertson


The adaptation field of the surround mechanism of X and Y retinal ganglion cells in the cat was assessed with variable size, unmodulated adapting spots. Both an on-inhibition measure and an off-discharge measure of surround gain was used. Results suggest that the surround mechanism in Y-cells is strongest in the receptive field middle but weak or nonexistent in the middle of X-cell receptive fields.


Nov 1, 1976·The Journal of Physiology·S Hochstein, R M Shapley
Jul 1, 1974·Journal of Neurophysiology·J Stone, Y Fukuda
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Apr 8, 1985·Journal of Immunological Methods·D L BrandonL L Layton

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