Pain perception.
D000328:Adult; D000818:Animals; D001297:Audioanalgesia; D002490:Central Nervous System / Q000502:physiology; D002540:Cerebral Cortex / Q000502:physiology; D003071:Cognition; D004192:Discrimination, Psychological; D004285:Dogs; D006801:Humans; D008297:Male; D009042:Motivation; D009622:Noise; D010146:Pain; D010465:Perception; D013404:Suggestion