Motor impairment in Parkinson's disease (PD) reflects changes in the basal ganglia‐thalamocortical circuit converging on the primary motor cortex (M1) and supplementary motor area (SMA). Previous studies assessed M1 excitability… Click to show full abstract
Motor impairment in Parkinson's disease (PD) reflects changes in the basal ganglia‐thalamocortical circuit converging on the primary motor cortex (M1) and supplementary motor area (SMA). Previous studies assessed M1 excitability in PD using transcranial magnetic stimulation (TMS)‐evoked electromyographic activity. TMS‐evoked electroencephalographic activity may unveil broader motor cortical network changes in PD.
               
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