Fundamentos e aplicabilidade clínica da Estimulação Magnética Transcraniana na Reabilitação das Afasia

  • Inês Tello Milheiras Rodrigues Terapeuta da Fala, Mestre em Patologia da Linguagem, Doutorada em Neurociências Cognitivas.Instituto de Ciências da Saúde – Universidade Católica Portuguesa, Lisboa, Portugal.
Palavras-chave: Cérebro, AVC, Reabilitação, Estimulação Magnética Transcraniana

Resumo

A recuperação após um Acidente Vascular Cerebral (AVC) é baseada nos mecanismos de plasticidade neuronal e na forma como o sistema nervoso central se reorganiza para compensar a perda das áreas afeta­das. Neste contexto específico, as técnicas de neuromodulação, onde se enquadra a Estimulação Magnética Transcraniana (EMT), têm tido avanços promissores e suscitado grande interesse por parte da comu­nidade científica pelo seu potencial terapêutico, especialmente nas se­quelas pós-AVC. A EMT resulta da produção de campos magnéticos modulados, induzindo a produção de correntes eléctricas no córtex cerebral, modificando a excitabilidade intra-cortical e ativando ou ini­bindo estruturas corticais e subcorticais distantes ao longo de conexões específicas. Neste sentido, a EMT pode promover os mecanismos de neuroplasticidade e está associada à recuperação funcional de pacien­tes que sofreram AVC´s. Pretende-se, com este artigo, apresentar uma atualização da literatura sobre este tema de forma a evidenciar as dife­rentes aplicações clínicas desta técnica especificamente na reabilitação de pessoas com afasia após AVC.

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Publicado
2015-06-30
Como Citar
Rodrigues, I. T. M. (2015). Fundamentos e aplicabilidade clínica da Estimulação Magnética Transcraniana na Reabilitação das Afasia. Revista Neurociências, 23(2), 305-312. https://doi.org/10.4181/RNC.2015.23.02.1020.8p
Seção
Atualização