Altered force release control in Parkinson's disease
Identifieur interne : 002263 ( Main/Exploration ); précédent : 002262; suivant : 002264Altered force release control in Parkinson's disease
Auteurs : Erwin Kunesch [Allemagne] ; Alfons Schnitzler [Allemagne] ; Christian Tyercha [Allemagne] ; Stefan Knecht [Allemagne] ; George Stelmach [États-Unis]Source :
- Behavioural Brain Research [ 0166-4328 ] ; 1994.
Abstract
Isometric force tracking and force aiming modified by visual feed-back was investigated in Parkinsonian (PD) and control subjects. Production and maintenance of isometric force, production and release of isotonic force, and maximum force were tested. Statistical analysis revealed that the PD patients could perform most force tasks in a similar manner to that of control subjects. However, PD patients had difficulties in sustaining target force over a 30-s period and in performing rapid alternating movements. The major finding in PD patients was an inability to precisely release a target force. Overall these data suggest that the release of a produced force is a sensitive motor control parameter in Parkinson's disease.
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DOI: 10.1016/0166-4328(94)00111-R
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Production and maintenance of isometric force, production and release of isotonic force, and maximum force were tested. Statistical analysis revealed that the PD patients could perform most force tasks in a similar manner to that of control subjects. However, PD patients had difficulties in sustaining target force over a 30-s period and in performing rapid alternating movements. The major finding in PD patients was an inability to precisely release a target force. Overall these data suggest that the release of a produced force is a sensitive motor control parameter in Parkinson's disease.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>États-Unis</li></country><region><li>Arizona</li></region></list><tree><country name="Allemagne"><noRegion><name sortKey="Kunesch, Erwin" sort="Kunesch, Erwin" uniqKey="Kunesch E" first="Erwin" last="Kunesch">Erwin Kunesch</name></noRegion><name sortKey="Knecht, Stefan" sort="Knecht, Stefan" uniqKey="Knecht S" first="Stefan" last="Knecht">Stefan Knecht</name><name sortKey="Schnitzler, Alfons" sort="Schnitzler, Alfons" uniqKey="Schnitzler A" first="Alfons" last="Schnitzler">Alfons Schnitzler</name><name sortKey="Tyercha, Christian" sort="Tyercha, Christian" uniqKey="Tyercha C" first="Christian" last="Tyercha">Christian Tyercha</name></country><country name="États-Unis"><region name="Arizona"><name sortKey="Stelmach, George" sort="Stelmach, George" uniqKey="Stelmach G" first="George" last="Stelmach">George Stelmach</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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