Editorial: Objectivity and subjectivity: pain.
D003071:Cognition; D003118:Color Perception; D003142:Communication; D003214:Conditioning, Classical; D004644:Emotions; D006801:Humans; D009482:Neurophysiology; D010146:Pain; D010465:Perception; D055585:Physical Phenomena; D010825:Physics; D011603:Psychophysiology; D012586:Science; D012649:Self Concept