Transcranial magnetic stimulation induces changes in the cerebral cortex functions, either unilaterally or bilaterally. Here, we combined evoked potential recording and functional brain imaging to analyze the modulating effects of continuous theta burst stimulation in bilateral motor regions of the adult human cortex. We detected concurrent inhibition of the bilateral motor regions following stimulation, as evidenced by both the electrophysiological and imaging results. Our findings supported the notion that magnetic stimulation is able to modulate the contralateral hemisphere through the callosal connectivity.
Keywords: Brain imaging; Continuous theta burst stimulation; Motor evoked potential; Transcranial magnetic stimulation.
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