Of the numerous transcranial stimulation technologies currently being studied and used in the medical field, transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) have been used in speech and language pathology, as an adjuvant to behavioral treatment, and to enhance poststroke speech and language as well as dysphagia rehabilitation effects.

TMS is a safe, noninvasive technique of stimulating brain neurons. It uses electromagnetic induction to induce weak electric currents in the brains of awake and alert patients. Patients recline comfortably in the treatment chair, then the TMS device that contains the magnetic coil is applied so as to rest lightly on the patient’s head, where it delivers short magnetic pulses to the targeted brain area. When these powerful pulses reach the scalp, they ...

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