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Memory guided saccade deficit after caudate nucleus lesion
  1. A-I Vermerscha,
  2. B M Gaymarda,
  3. S Rivaud-Pechouxa,
  4. C J Plonera,b,
  5. Y Agida,
  6. C Pierrot-Deseillignya
  1. aFrom INSERM U 289 and Service de Neurologie, Hôpital de la Salpêtrière, Paris, France, bKlinik für Neurologie, Charité, Humboldt-Universität Berlin, Berlin, Germany
  1. Dr A-I Vermersch, INSERM U 289, Hôpital de la Salpêtrière, 47 Boulevard de l’Hôpital, 75651 Paris Cedex 13, France.

Abstract

The role of the caudate nucleus in ocular motor control is not well determined in humans. Eye movements were recorded from a 45 year old man with infarctions involving bilaterally the body of the caudate nucleus, with a greater extent on the left side. The patient exhibited a pattern of eye movement abnormalities in which a delay dependent decrease of accuracy of memory guided saccades predominated. By contrast, memory guided pointing was normal. It is concluded that the body of the caudate nucleus participates in a spatial short term memory network devoted to eye movements.

  • saccade deficit
  • caudate nucleus lesion

https://doi.org/10.1136/jnnp.66.4.524

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