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  • Title: Functional influences of the visuocortical projection on superior colliculus neurons in the rabbit.
    Author: Ostrach LH, Crabtree JW, Chow KL.
    Journal: Brain Res; 1982 Jun 24; 242(2):337-41. PubMed ID: 7116138.
    Abstract:
    The effects of electrical stimulation of the visual cortex on superior colliculus neurons were investigated in adult Dutch-belted rabbits. Single units were recorded in the superior colliculus and classified as to receptive field type. Stimulation of the ipsilateral visual cortex activated 29% of the recorded superior colliculus units. No units were driven by stimulation of the contralateral visual cortex. Comparison of the relative proportional distributions of cortically driven and not driven cells having various receptive field types revealed an over-representation of driven motion type cells. The excitatory influence of the visuocortical projection to the superior colliculus in the rabbit shows a preference for neurons responsive to moving visual stimuli.
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