首页 | 本学科首页   官方微博 | 高级检索  
     


Corticospinal Excitability Modulation During Action Observation
Authors:Luisa Sartori  Sonia Betti  Umberto Castiello
Affiliation:1.Dipartimento di Psicologia Generale, Universita degli Studi di Padova
Abstract:This study used the transcranial magnetic stimulation/motor evoked potential (TMS/MEP) technique to pinpoint when the automatic tendency to mirror someone else''s action becomes anticipatory simulation of a complementary act. TMS was delivered to the left primary motor cortex corresponding to the hand to induce the highest level of MEP activity from the abductor digiti minimi (ADM; the muscle serving little finger abduction) as well as the first dorsal interosseus (FDI; the muscle serving index finger flexion/extension) muscles. A neuronavigation system was used to maintain the position of the TMS coil, and electromyographic (EMG) activity was recorded from the right ADM and FDI muscles. Producing original data with regard to motor resonance, the combined TMS/MEP technique has taken research on the perception-action coupling mechanism a step further. Specifically, it has answered the questions of how and when observing another person''s actions produces motor facilitation in an onlooker''s corresponding muscles and in what way corticospinal excitability is modulated in social contexts.
Keywords:Behavior   Issue 82   action observation   transcranial magnetic stimulation   motor evoked potentials   corticospinal excitability
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号