title: Positive conditioned reinforcement from aversive situations.
mesh_terms: D000818:Animals; D001362:Avoidance Learning; D003214:Conditioning, Classical; D003213:Conditioning, Psychological; D004193:Discrimination Learning; D004597:Electroshock; D004924:Escape Reaction; D005108:Extinction, Psychological; D005239:Fear; D008722:Methods; D011678:Punishment; D051381:Rats; D012054:Reinforcement, Psychology