Impairment of visual object-discrimination learning after perirhinal cortex ablation.

@article{Buckley1997ImpairmentOV,
  title={Impairment of visual object-discrimination learning after perirhinal cortex ablation.},
  author={Mark J Buckley and David Gaffan},
  journal={Behavioral neuroscience},
  year={1997},
  volume={111 3},
  pages={467-75}
}
Eight cynomolgus monkeys learned preoperatively 20 concurrent visual discriminations between pairs of colored shapes presented on a touch screen with 24-hr intertrial intervals. Three then received bilateral perirhinal cortex ablation, and 5 remained controls. The ablated monkeys were severely impaired in reacquiring the preoperatively acquired set, whereas postoperative learning of 20 new discriminations was not significantly affected. The task was then made more difficult. First, the number… CONTINUE READING

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