title: Extinction of unsignaled shuttlebox avoidance and the effect exerted subsequently by a conditioned fear stimulus as a function of amobarbital.
mesh_terms: D000654:Amobarbital / Q000494:pharmacology*; D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects*; D003213:Conditioning, Psychological; D005108:Extinction, Psychological / Q000187:drug effects*; D005239:Fear; D008297:Male; D051381:Rats
chemical_list: D000654:Amobarbital