title: Comments on aspects of the theory of psychic energy.
mesh_terms: D000339:Affect; D000374:Aggression; D000818:Animals; D001522:Behavior, Animal; D001921:Brain / Q000502:physiology; D004327:Drinking Behavior; D004328:Drive; D004532:Ego; D004735:Energy Transfer; D006801:Humans; D007257:Information Theory; D007323:Instinct; D007989:Libido; D008606:Mental Processes; D008960:Models, Psychological; D009482:Neurophysiology; D011574:Psychoanalytic Theory; D011601:Psychophysics; D011603:Psychophysiology