Sequences of memory-guided saccades in Parkinson's disease

Sequences of ocular saccades were studied in 8 patients with Parkinson's disease, with (i.e., "on") and without (i.e., "off") levodopa treatment. The amplitude of single saccades was decreased and not improved by treatment. The chronology of saccades during sequences was imp...

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Published in:	Annals of neurology Vol. 35; no. 4; p. 487
Main Authors:	Vermersch, A I, Rivaud, S, Vidailhet, M, Bonnet, A M, Gaymard, B, Agid, Y, Pierrot-Deseilligny, C
Format:	Journal Article
Language:	English
Published:	United States 01-04-1994
Subjects:	Electrooculography Humans Memory - physiology Middle Aged Parkinson Disease - physiopathology Photic Stimulation Reaction Time - physiology Saccades - physiology
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Abstract	Sequences of ocular saccades were studied in 8 patients with Parkinson's disease, with (i.e., "on") and without (i.e., "off") levodopa treatment. The amplitude of single saccades was decreased and not improved by treatment. The chronology of saccades during sequences was impaired in patients in the "off" state, but significantly improved during the "on" period. These results are compatible with a decreased activation of the supplementary motor area, which can be reversed by levodopa.
AbstractList	Sequences of ocular saccades were studied in 8 patients with Parkinson's disease, with (i.e., "on") and without (i.e., "off") levodopa treatment. The amplitude of single saccades was decreased and not improved by treatment. The chronology of saccades during sequences was impaired in patients in the "off" state, but significantly improved during the "on" period. These results are compatible with a decreased activation of the supplementary motor area, which can be reversed by levodopa.
Author	Vermersch, A I Pierrot-Deseilligny, C Bonnet, A M Rivaud, S Gaymard, B Vidailhet, M Agid, Y
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SubjectTerms	Electrooculography Humans Memory - physiology Middle Aged Parkinson Disease - physiopathology Photic Stimulation Reaction Time - physiology Saccades - physiology
Title	Sequences of memory-guided saccades in Parkinson's disease
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