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Hereditary cerebellar degeneration with downbeat nystagmus. A case and it's treatment
Author(s) -
McConnell H. W.,
Darlington C. L.,
Smith P. F.,
Sturge D. L.,
Thomson S. D.,
Nukada H.,
Mair M. W.
Publication year - 1990
Publication title -
acta neurologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.967
H-Index - 95
eISSN - 1600-0404
pISSN - 0001-6314
DOI - 10.1111/j.1600-0404.1990.tb00988.x
Subject(s) - oscillopsia , nystagmus , ataxia , cerebellar ataxia , cerebellar degeneration , clonazepam , cerebellum , ataxic gait , medicine , psychology , audiology , neuroscience , psychiatry
We present a female patient of 48 years with downbeat nystagmus (DBN), moderate impairment of coordination testing and a family history of cerebellar ataxia. We report that a single 2 mg dose of clonazepam (following Currie & Matsuo 1 ) resulted in a virtual disappearance of nystagmus and of the patient's symptom of oscillopsia. This result is interpreted in terms of current models of DBN.