Intracranial self-stimulation in the chick and the causation of emotional behavior.
D000818:Animals; D001288:Attention; D001522:Behavior, Animal; D001921:Brain / Q000502:physiology*; D002645:Chickens; D004558:Electric Stimulation; D004644:Emotions; D007031:Hypothalamus / Q000502:physiology; D008297:Male; D012054:Reinforcement, Psychology; D012653:Self Stimulation; D013997:Time Factors; D014828:Vocalization, Animal