title: The effectiveness of electric shock and foul odor as unconditioned stimuli in classical aversive conditioning.
mesh_terms: D001007:Anxiety / Q000209:etiology; D001362:Avoidance Learning; D003118:Color Perception; D003214:Conditioning, Classical; D003463:Cues; D004597:Electroshock; D005260:Female; D006801:Humans; D008297:Male; D009812:Odorants; D013649:Taste