Perirhinal cortex supports acquired fear of auditory objects

  title={Perirhinal cortex supports acquired fear of auditory objects},
  author={Sun Jung Bang and Thomas H. Brown},
  journal={Neurobiology of Learning and Memory},
Damage to rat perirhinal cortex (PR) profoundly impairs fear conditioning to 22kHz ultrasonic vocalizations (USVs), but has no effect on fear conditioning to continuous tones. The most obvious difference between these two sounds is that continuous tones have no internal temporal structure, whereas USVs consist of strings of discrete calls separated by temporal discontinuities. PR was hypothesized to support the fusion or integration of discontinuous auditory segments into unitary… CONTINUE READING


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