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Arquivos de Neuro-Psiquiatria

Print version ISSN 0004-282X

Arq. Neuro-Psiquiatr. vol.53 no.3a São Paulo Sept. 1995

http://dx.doi.org/10.1590/S0004-282X1995000300010 

Eletromiografia de superfície no diagnóstico da dominância lateral em crianças: aspectos psicomotores

 

Surface electromyography in diagnosis of lateral dominance in children: psychomotor aspects

 

 

Ceme Ferreira Jordy

Livre -Docente, Professor Adjunto de Neurologia da Escola Paulista de Medicina, Professor Colaborador de Neuropsicologia do Instituto de Psicologia da Universidade de São Paulo

 

 


RESUMO

A dominância lateral foi verificada pelo eletromiograma de superfície em 100 crianças neurologicamente normais. Foram usados estímulos verbais durante os registros eletromiográficos. Em comparação com o diagnóstico clínico, a eletromiografia se revelou mais precisa, excluindo influências subjetivas nos resultados. Destrismo foi diagnosticado em 90 pacientes, canhotismo em 3 e dominância indefinida em 7. Mecanismos de ordem psicomotora são sugeridos para justificar as respostas motoras provocadas por estímulos verbais com conteúdo afetivo.

Palavras-chave: dominância lateral, eletromiografia, mecanismo psicomotor.


SUMMARY

Surface electromyography was used to verify the lateral dominance in 100 six to fourteen years old normal children. Electromyographic records were obtained during verbal stimulation. Dexterity was found in 90, sinistrality in 3 and indefinite dominance in 7 patients. Comparing with results from clinical examination, the electromyography seems more accurate and easy to perform. The responses obtained after verbal stimulations were attributed to a psychomotor phenomenon. Mechanisms involved in the production of muscle contractions after verbal stimulation, were not proved. Pharmacologic action of cathecolamines on the central motor neural subsystems is advanced.

Key words:lateral dominance, psychomotor mechanism, electromyography.


 

 

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

 

 

Agradecimento

Agradeço à Sra. Ivany S. Jordy, as leituras e críticas feitas durante a elaboração deste estudo.

 

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Aceite: 20-fevereiro-199S.

 

 

Dr. Ceme Ferreira Jordy - Avenida Sabiá 418 - 04515-000 São Paulo SP - Brasil.

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