Response selection and motor areas: a behavioural and electrophysiological study

  title={Response selection and motor areas: a behavioural and electrophysiological study},
  author={Laurence Carbonnell and Thierry Hasbroucq and Jacques Grapperon and Franck Vidal},
  journal={Clinical Neurophysiology},
OBJECTIVE The involvement of the supplementary motor areas (SMAs) and primary motor areas (M1s) in motor processes was studied. METHODS A between-hand choice and a simple reaction time (RT) task were mixed in a precueing paradigm. Laplacians were estimated by the source derivation method from the electroencephalogram recorded over the SMAs and M1s. RESULTS RT was shorter in the simple than in the choice RT task. Response-locked averages showed a negative potential over M1 contralateral to… CONTINUE READING

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