Coerced approach to shock, punishment of competing responses, and resistance to extinction in the rat.
D000818:Animals; D003213:Conditioning, Psychological; D004558:Electric Stimulation; D005108:Extinction, Psychological; D008297:Male; D011678:Punishment; D051381:Rats; D011919:Rats, Inbred Strains; D012054:Reinforcement, Psychology; D012201:Reward