title: Cue exposure and overt fear responses as determinants of extinction of avoidance in rats.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D001362:Avoidance Learning; D003213:Conditioning, Psychological; D003463:Cues; D004597:Electroshock; D005108:Extinction, Psychological; D005239:Fear; D008297:Male; D051381:Rats; D013997:Time Factors