Electromyographic counting of the numbers of times of the laughing act in man.
D000328:Adult; D004576:Electromyography; D005149:Facial Expression; D005152:Facial Muscles / Q000502:physiology*; D005260:Female; D006801:Humans; D007845:Laughter / Q000503:physiopathology; D008297:Male; D009119:Muscle Contraction; D012559:Schizophrenia / Q000503:physiopathology