Middle-latency responses of the orbicularis oculi muscle: dissimilar origin of the "relaxed" and "contracted" motor evoked potentials.
D000328:Adult; D004558:Electric Stimulation; D019054:Evoked Potentials, Motor / Q000502:physiology*; D005152:Facial Muscles / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D009119:Muscle Contraction; D011930:Reaction Time; D013997:Time Factors