title: Specificity of reinforcer expectancy and the frustration effect.
mesh_terms: D000818:Animals; D003213:Conditioning, Psychological; D004327:Drinking Behavior; D005247:Feeding Behavior; D005639:Frustration; D006185:Habituation, Psychophysiologic; D006815:Hunger; D008124:Locomotion; D008297:Male; D009042:Motivation; D051381:Rats; D012054:Reinforcement, Psychology; D012201:Reward; D013894:Thirst