A peculiar changes of the plethysmogram following the human laughing act.
D000328:Adult; D004576:Electromyography; D005149:Facial Expression / Q000502:physiology*; D005260:Female; D006801:Humans; D007845:Laughter; D008297:Male; D009132:Muscles / Q000502:physiology*; D010991:Plethysmography; D012904:Smiling / Q000502:physiology*; D015050:Zygoma / Q000502:physiology