Rabbit Lateral Geniculate Nucleus: Sharpener of Directional Information

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Science  15 Aug 1969:
Vol. 165, Issue 3894, pp. 712-714
DOI: 10.1126/science.165.3894.712


Direction-selective neurons in the rabbit lateral geniculate nucleus signal movement-direction more precisely than their retinal counterparts. This increased selectivity arises from the interaction of retinal inputs to the geniculate cell. A direction-selective geniculate neuron is fed by at least two retinal direction-selective cells, whose preferred directions are 180 degrees apart. One retinal input is excitatory to the geniculate cell and the other is inhibitory.

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