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      The rat accessory optic system: effects of cortical lesions on the directional selectivity of units within the medial terminal nucleus

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      Neuroscience Letters

      Elsevier BV

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          Abstract

          Single units within the medial terminal nucleus of the accessory optic system were recorded and examined for their responses to a moving pattern, in both intact and decorticated urethane-anesthetized rats. The preferred directions of motion in control rats were mainly upward with a temporal component and downward with a nasal component. The responses to upward motion were almost absent after cortical ablation, with most units now preferring temporal or downward-nasal directions. These data suggest that cortical structures modulate the directional selectivity of accessory optic neurons in the rat.

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          Author and article information

          Journal
          Neuroscience Letters
          Neuroscience Letters
          Elsevier BV
          03043940
          August 1988
          August 1988
          : 91
          : 2
          : 154-159
          Article
          3185957
          © 1988

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