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Voluntary activation of human motor axons in the absence of muscle afferent feedback : The control of the deafferented hand
GANDEVIA SC; MACEFIELD GV ; BURKE D
BRAIN , 1990, n° 113, p. 1563-1581 Doc n°: 51417 Localisation : Documentation IRR Descripteurs : AD3 - MOTRICITE The ability to activate motoneurons supplying individual intrinsic muscles of the hand was examined during acute deafferentation of the muscles. Tungsten microelectrodes were inserted percutaneously into motor fascicles of the ulnar nerve of 5 subjects. The results also indicate that the otherwise intact nervous system can perform some simple motor tasks with no proprioceptive input other than knowledge of the motor commands. Other factors may contribute to the poor motor performance reported for patients with severe sensory deficits. Langue : ANGLAIS Tiré à part : OUI Identifiant basis : 1991000450 |
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