BACKGROUND: Motor slowing in depression may be associated with a relative dopaminergic (DA) deficit. Bradykinesia in Parkinson's syndrome is associated with an abnormally short silent period (SP) using transcranial magnetic stimulation (TMS). We hypothesized that depression would also be associated with a short SP. METHODS: Sixteen patients with DSM-IV depression and 19 matched controls participated. SPs were elicited by exercising the contralateral abductor policis brevis (APB) during TMS. R...Expand abstract
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Increased cortical inhibition in depression: a prolonged silent period with transcranial magnetic stimulation (TMS).
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