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Type: Artigo de periódico
Title: Artificial sensorimotor integration in spinal cord injured subjects through neuromuscular and electrotactile stimulation
Author: de Castro, MCF
Cliquet, A
Abstract: Spinal cord injured (SCI) subjects lack sensorimotor functions. Neuromuscular electrical stimulation (NMES) systems have been used to artificially restore motor functions, but without proprioceptive feedback, SCI subjects can control NMES systems only when they can see their limbs. In a gait restoration system, the subject looks down to the ground to be aware of where his foot is while in a grasping activity, maximum grip strength is employed regardless of the force that is required to perform tasks. This report focuses on artificial sensorimotor integration. Multichannel stimulation was used to restore motor functions while encoded tactile sensation (moving fused phantom images) relating to artificially generated movements was provided by electrotactile stimulation during walking and grasping activities. The results showed that the sensorimotor integration attained yielded both the recognition of artificial grasp force patterns and a technique to be used by paraplegics allowing spatial awareness of their limb while walking.
Subject: spinal cord injury
artificial proprioception
neuromuscular electrical stimulation
electrotactile stimulation
paraplegic gait
tetraplegic grasp
Country: EUA
Editor: Blackwell Science Inc
Rights: fechado
Identifier DOI: 10.1046/j.1525-1594.2000.06569.x
Date Issue: 2000
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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