title: The effects of shock intensity on fear incubation (enhancement): a preliminary investigation of Eysenck's theory.
mesh_terms: D000818:Animals; D003214:Conditioning, Classical; D004597:Electroshock; D005108:Extinction, Psychological; D005239:Fear; D008297:Male; D009042:Motivation; D051381:Rats; D011919:Rats, Inbred Strains