Simultaneous and backward fear conditioning in the rat.
D000161:Acoustic Stimulation; D000818:Animals; D003214:Conditioning, Classical; D003216:Conditioning, Operant; D004597:Electroshock; D005239:Fear; D005247:Feeding Behavior; D006799:Housing, Animal; D008297:Male; D010775:Photic Stimulation; D011678:Punishment; D051381:Rats; D012201:Reward