Conditioned fear and magnitude of startle response: a replication and extension.
D000818:Animals; D003213:Conditioning, Psychological; D004597:Electroshock; D005108:Extinction, Psychological; D005239:Fear; D009622:Noise; D051381:Rats; D012018:Reflex; D013216:Reflex, Startle; D013312:Stress, Physiological