A kinematic study of the reach to grasp movement in a subject with hemiParkinson's disease

K. M.B. Bennett, C. H. Adler, G. E. Stelmach, U. Castiello

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

The kinematic organization of a reach to grasp movement in a left hemiParkinson subject is compared to that of a control subject. Subjects used the right and left limbs to reach 15, 27 or 40 cm for the grasp of cylinders of 0.7 or 8 cm diameter. In general, the kinematics of the affected limb of the hemiparkinson subject differed from that of the unaffected limb. However, for both arms the hemiParkinson subject showed a delay in the onset of the manipulation component. The subtle dysfunction in the activation of near-simultaneous or sequential movements is thus bilateral, despite unilateral clinical symptomatology.

Original languageEnglish (US)
Pages (from-to)709-716
Number of pages8
JournalNeuropsychologia
Volume31
Issue number7
DOIs
StatePublished - Jul 1993

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience
  • Behavioral Neuroscience

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