Superior Colliculus: Single Unit Responses to Stimulation of Visual Cortex in the Cat

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Science  25 Dec 1970:
Vol. 170, Issue 3965, pp. 1426-1428
DOI: 10.1126/science.170.3965.1426


Electrical stimulation of area 18 of the cat visual cortex produces intense excitation of neurons in the superior colliculus. Excitation is followed by a period of decreased collicular responsiveness to light stimulation. These effects are seen in both directionally selective and nonselective units. The corticocollicular projection is retinotopically organized.