abnormalities. Many non-demented patients with PD have cognitive impairment especially
in executive functions. Using magnetoencephalographic (MEG) recording combined with
event-related desynchronisation/synchronisation (ERD/ERS) analysis, we investigated
cortical executive functions during a Go/NoGo task in PD patients and matched healthy
subjects. PD patients had a longer reaction time in the Go condition and had a higher error …