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Analysis of repetitive and nonrepetitive sequential arm movements in patients with Parkinson's disease

โœ Scribed by Rocco Agostino; Dr. Alfredo Berardelli; Alessandro Formica; Fabrizio Stocchi; Neri Accornero; Mario Manfredi

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
377 KB
Volume
9
Category
Article
ISSN
0885-3185

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โœฆ Synopsis

Abstract

We examined the motor performance of Parkinson's disease patients and normal subjects during nonrepetitive and repetitive sequential tasks. Parkinson's disease patients took longer than normal subjects to Complete the nonrepetitie task, the sequential drawing of a pentagon. In patients, movement times lengthened as the sequence neared completion. The amount of lengthening was similar in nonrepetitive and repetitive tasks (sequential alternating drawing of each side of the pentagon). In parkinsonian patients the slowing at the end of the sequential tasks does not appear to be influenced by whether the sequential task involes nonrepetitive or repetitive movements.

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