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Experimental Brain Research

, Volume 196, Issue 3, pp 459–465

First Online: 29 May 2009Received: 16 March 2009Accepted: 13 May 2009

Abstract

Transcranial direct current stimulation tDCS is a procedure to polarize human brain. It has been reported that tDCS over the hand motor cortex transiently improves the performance of hand motor tasks. Here, we investigated whether tDCS could also improve leg motor functions. Ten healthy subjects performed pinch force PF and reaction time RT tasks using the left leg before, during and after anodal, cathodal or sham tDCS over the leg motor cortex. The anodal tDCS transiently enhanced the maximal leg PF but not RT during its application. Neither cathodal nor sham stimulation changed the performance. None of the interventions affected hand PF or RT, showing the spatial specificity of the effect of tDCS. These results indicate that motor performance of not only the hands but also the legs can be enhanced by anodal tDCS. tDCS may be applicable to the neuro-rehabilitation of patients with leg motor disability.

KeywordsGait Leg Motor cortex Rehabilitation Transcranial direct current stimulation Transcranial magnetic stimulation  Download fulltext PDF



Autor: Satoshi Tanaka - Takashi Hanakawa - Manabu Honda - Katsumi Watanabe

Fuente: https://link.springer.com/



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