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Arq Neuropsiquiatr. 2013 Mar;71(3):159-64.

Brain stimulation used as biofeedback training for recovery of motor functions deteriorated by stroke.

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  • 1Laboratório de Aprendizagem Neural e Performance Motora (LANPEM/CNPq), Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro RJ, Brazil. mauriciocalomeni@gmail.com


According to World Health Organization, approximately 15 million people are affected by cerebrovascular accident in the world. We study the effect of brain stimulation plus an imaging procedure used as biofeedback training for recovery of motor functions impaired by CVA. Four individuals aged between 33 and 72 years were included in the study, of both genders, with hemiparesis on the left arm due to the CVA. They had their brain activity monitored by EEG. Functional tasks were evaluated according to an observational model proposed by the international classification of functioning and by runtime. The training was composed of 12 sessions of 30 minutes of stimulation by light and sound, as well as imaging procedures. Results revealed that improvements in the performance of the task, with regard to both the runtime and the functional quality of movements, are more related to the increase of effectiveness of neuronal function.

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