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Learning of food and water positions by hippocampus damaged rats

Learning of food and water positions by hippocampus damaged rats

Physiology & Behavior 6(1): 81-83

Hippocampus damaged, neodecorticate, and normal control rats were tested in a Maier three table situation. One goal was baited with food, the other with water. The animals were food or water deprived on alternate days and trained to run to the appropriate goal. After reaching criterion, reversal learning was begun. The results showed that neodecorticate and normal rats switched responses to obtain appropriate rewards but hippocampal rats were deficient in learning this. The hippocampal group had high total errors and a strikingly high proportion of such errors were committed consecutively. Upon reversal, both hippocampal and neodecorticate rats initially had high error scores. On the seventh day of reversal learning the hippocampal group still had a mean of 3 errors while the others had 1 error. The results were discussed in terms of perseverative tendencies and a lack of attention to relatively minor but crucial stimuli.

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Accession: 026889347

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PMID: 5125463

DOI: 10.1016/0031-9384(71)90020-5

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