Electroacupuncture Suppresses the Cortical Evoked Responses in Somatosensory I and II Areas after Tooth Pulp Stimulation in Rat

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Abstract
Rat cortical evoked responses (CERs) of the somatosensory area I and II following tooth pulp stimulation were decreased in amplitude by electroacupuncture stimulation. Suppression was more marked with the contralateral CERs than with the ipsilateral ones. Onset latencies of somatosensory II CER of both sides were lengthened after electroacupuncture stimulation.