title: Noncontingent nonreinforcement of a response as the aversive event in a CER paradigm.
mesh_terms: D000818:Animals; D001362:Avoidance Learning; D001522:Behavior, Animal; D003213:Conditioning, Psychological; D004644:Emotions; D005260:Female; D008297:Male; D051381:Rats; D012055:Reinforcement Schedule