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Visuotopic organization of the superior colliculus in normal and Siamese cats

Lane, R.H ; Kaas, J.H ; Allman, J.M

Brain Research, 1974, Vol.70(3), pp.413-430 [Periódico revisado por pares]

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  • Título:
    Visuotopic organization of the superior colliculus in normal and Siamese cats
  • Autor: Lane, R.H ; Kaas, J.H ; Allman, J.M
  • Assuntos: Anatomy & Physiology
  • É parte de: Brain Research, 1974, Vol.70(3), pp.413-430
  • Descrição: The visuotopic organization of the superior colliculus of normally pigmented and Siamese cats was investigated with microelectrodes. In normal cats, the representation of the ipsilateral hemifield in the rostral tectum was found to be binocular. In addition, this representation included more of the ipsilateral hemifield than has been previously reported. Both normally pigmented and Siamese cats were found to have about 40° of the ipsilateral hemifield represented in the rostral tectum and normally pigmented and Siamese cats do not appear to differ in this regard (see ref. 2). However, the superior colliculus of Siamese cats is abnormal in other ways. The representation of the ipsilateral hemifield in the rostral tectum of Siamese cats was activated only by the contralateral eye. Furthermore, in the larger caudal representation of the contralateral hemifield, very few neurons were activated by the ipsilateral eye. The reduction in such activation is not simply...
  • Idioma: Inglês

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