Hippocampal lesions alter conditioning to conditional and contextual stimuli.

  title={Hippocampal lesions alter conditioning to conditional and contextual stimuli.},
  author={Gordon Winocur},
  journal={Behavioural brain research},
  volume={88 2},
The control of conditioned fear behaviour by a conditional stimulus (CS) and contextual stimuli (CXT) was compared in rats with lesions to the hippocampus (HPC) or neocortex (CO), and operated controls (OC). After classical fear conditioning in a distinctive context, rats were subsequently tested in the presence of the CS and CXT (CS + CXT), the CS alone (CS-only), or context alone (CXT-only). Two experiments were conducted in which conditioned fear was measured by an active avoidance response… CONTINUE READING

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