Differential Pavlovian fear conditioning as a function of the qualitative nature of the UCS: constant versus pulsating shock.
D001362:Avoidance Learning; D003214:Conditioning, Classical; D003216:Conditioning, Operant; D003213:Conditioning, Psychological; D004597:Electroshock; D005239:Fear; D006339:Heart Rate; D008722:Methods; D011214:Practice, Psychological; D014163:Transfer, Psychology