Hauptseite > Publikationsdatenbank > Arbitrary visuomotor mapping in the grip-lift task: Dissociation of performance deficits in right and left middle cerebral artery stroke > print

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024 7 _ |2 pmid
|a pmid:22441039
024 7 _ |2 DOI
|a 10.1016/j.neuroscience.2012.03.015
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|a WOS:000304730000012
037 _ _ |a PreJuSER-22233
041 _ _ |a eng
082 _ _ |a 610
084 _ _ |2 WoS
|a Neurosciences
100 1 _ |0 P:(DE-HGF)0
|a Bensmail, D.
|b 0
245 _ _ |a Arbitrary visuomotor mapping in the grip-lift task: Dissociation of performance deficits in right and left middle cerebral artery stroke
260 _ _ |a Amsterdam [u.a.]
|b Elsevier Science
|c 2012
300 _ _ |a 128 - 136
336 7 _ |a Journal Article
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336 7 _ |a article
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440 _ 0 |0 4579
|a Neuroscience
|v 210
|x 0306-4522
500 _ _ |a This study was supported by a grant of the Deutsche Forschungsgemeinschaft (no 73715-1). Djamel Bensmail was supported by grants of Fondation Garches, SOFMER-IPSEN, Assistance Publique-Hopitaux de Paris, Allergan, and Medtronic.
520 _ _ |a The ability to rapidly establish a memory link between arbitrary sensory cues and goal-directed movements is part of our daily motor repertoire. It is unknown if this ability is affected by middle cerebral artery stroke. Eighteen right-handed subjects with a first unilateral middle cerebral artery stroke were studied while performing a precision grip to lift objects of different weights. In a "no cue" condition, a noninformative neutral visual stimulus was presented before each lift, thereby not allowing any judgment about the object weight. In a "cue" condition arbitrary color cues provided advance information about the weight to be lifted in the subsequent trial. Subjects performed both conditions with either hand. During "no cue" trials subjects scaled their grip force according to the weight of the preceding lift, irrespective of the hand performing the lift or the hemisphere affected. The presentation of color cues allowed patients with right hemispheric stroke, but not those with left hemispheric stroke, to scale their grip force according to the weight in the upcoming lift when lifting the weight with the unaffected hand. Color cues did not allow for a predictive scaling of grip force according to the weight of the object to be lifted when lifting with the affected hand, irrespective of the affected hemisphere. These data imply that the ability of visuomotor mapping in the grip-lift task is selectively impaired in the affected hand after right middle cerebral artery stroke, but in both hands after left middle cerebral artery stroke.
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|c FUEK409
|a Funktion und Dysfunktion des Nervensystems (FUEK409)
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650 _ 2 |2 MeSH
|a Adult
650 _ 2 |2 MeSH
|a Aged
650 _ 2 |2 MeSH
|a Aged, 80 and over
650 _ 2 |2 MeSH
|a Brain: physiopathology
650 _ 2 |2 MeSH
|a Cues
650 _ 2 |2 MeSH
|a Female
650 _ 2 |2 MeSH
|a Functional Laterality: physiology
650 _ 2 |2 MeSH
|a Hand Strength: physiology
650 _ 2 |2 MeSH
|a Humans
650 _ 2 |2 MeSH
|a Infarction, Middle Cerebral Artery: complications
650 _ 2 |2 MeSH
|a Infarction, Middle Cerebral Artery: physiopathology
650 _ 2 |2 MeSH
|a Male
650 _ 2 |2 MeSH
|a Middle Aged
650 _ 2 |2 MeSH
|a Psychomotor Performance: physiology
650 _ 2 |2 MeSH
|a Weight Perception: physiology
650 _ 7 |2 WoSType
|a J
653 2 0 |2 Author
|a grip force
653 2 0 |2 Author
|a conditional motor learning
653 2 0 |2 Author
|a sensorimotor integration
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|a Sarfeld, A.S.
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|a 10.1016/j.neuroscience.2012.03.015
|g Vol. 210, p. 128 - 136
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|t Neuroscience
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|y 2012
856 7 _ |u http://dx.doi.org/10.1016/j.neuroscience.2012.03.015
909 C O |o oai:juser.fz-juelich.de:22233
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