Acquisition of auditory conditioned responses in normal and neodecorticate rats

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Inability of neodecorticate rats to learn a visual avoidance CR raised the question of whether similar results would be obtained using an auditory CS. Ss of this experiment were 12 normal and 12 neodecorticate rats. The results of “normals and operatees” were contrasted with the corresponding groups trained on a visual CR in a previous study. Neodecorticate animals showed a deficit in the learning of the auditory avoidance CR (p = .001). In comparing both groups of neodecorticates Ss trained on the auditory habit learned faster and reached a higher level of performance than those trained with the visual stimulus (p =.05). Factors which may account for this differential effect between CS modalities are described. (16 ref.) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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