Recovering process from language dysfunction caused by brain damage in children using magnetoencephalography

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We investigated the process of recovering from language dysfunction in child patients with acute encephalitis or congenital language disability using magnetoencephalography (MEG). We invented a language stimulator for children and studied sequential progress of language function. Five patients enrolled our study and 3 patients have been studied more than once. We found alpha band oscillation depression in term of event related desynchronization at the language dominant hemisphere and the area has enlarged year by year. Our study demonstrated the mechanism of language development in children directly.