Both fornix and anterior thalamic, but not mammillary, lesions disrupt delayed non-matching-to-position memory in rats.

@article{Aggleton1991BothFA,
  title={Both fornix and anterior thalamic, but not mammillary, lesions disrupt delayed non-matching-to-position memory in rats.},
  author={John P. Aggleton and Alexander Keith and Arjun Sahgal},
  journal={Behavioural brain research},
  year={1991},
  volume={44 2},
  pages={151-61}
}
Rats with radiofrequency lesions of the fimbria/fornix, or neurotoxic lesions of the mammillary bodies or the anterior thalamic nuclei were tested on their ability to perform a delayed non-matching-to-position task that had been learnt before surgery. In this task rats had to respond to a sample lever in an operant chamber and, after a variable delay (during which they were required to respond at the magazine tray), press the other lever when both were presented. Extensive mammillary body… CONTINUE READING
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