The case history of Monkey No. 109: First experimentally produced vertical gaze palsy

T. Pasik, P. Pasik

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

A lesion intended to destroy the left superior colliculus of a monkey damaged instead the pretectum and habenular regions as a result of the faulty A plane coordinates given in the atlas. Indeed, a more recent atlas gives the colliculus coordinates posterior to the A +1 plane. The syndrome exhibited by this monkey was essentially the triad: upward gaze palsy; eyelid retraction; and pupillary disturbances. In addition, there was spontaneous downward nystagmus, markedly defective vestibular nystagmus upward, and absent optokinetic nystagmus upward. These are the major components of the pretectal syndrome.

Original languageEnglish
Pages (from-to)191-199
Number of pages9
JournalMount Sinai Journal of Medicine
Volume41
Issue number1
StatePublished - 1974
Externally publishedYes

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