Conditioned fear and startle magnitude: effects of different footshock or backshock intensities used in training.

@article{Davis1978ConditionedFA,
  title={Conditioned fear and startle magnitude: effects of different footshock or backshock intensities used in training.},
  author={Michael L Davis and David I. Astrachan},
  journal={Journal of experimental psychology. Animal behavior processes},
  year={1978},
  volume={4 2},
  pages={95-103}
}
In Experiment 1 four groups of rats received 30 light-shock pairings using footshock intensities of either .2, .4, .8, or 1.6 mA. One day later all rats were tested for startle by presenting tones in the presence or absence of the light CS. Potentiated startle (the difference between startle on light-tone vs tone-alone trials) was nonmonotonically related to the shock intensity used in training, with the greatest potentiation at intermediate shock levels. Experiment 3 demonstrated a similar… CONTINUE READING

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