Abstract
"There is no clear evidence that the retention of a partially learned maze habit is better in rats that have been anesthetized with sodium amytal for from 8-17 hours of an interpolated 24 hours than it is in normal rats after a 24 hour period. This conclusion is supported by the essential statistical equality of the mean and median error records of the two groups. Furthermore, the correlation between length of time under amytal and retention scores is negligible. The evidence indicating a possible favorable effect of the anesthesia on retention is: (1) The number of amytal rats who showed perfect retention was 50% higher than the number of normal rats making such a record; and (2) there is some evidence that the thirst drive in the amytal rats was less than in the normals." (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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