Spatial Discrimination Reversal Learning for Mice Genetically Selected for Differing Brain Size: A Supplementary Report
- 1 February 1970
- journal article
- research article
- Published by SAGE Publications in Perceptual and Motor Skills
- Vol. 30 (1) , 239-245
- https://doi.org/10.2466/pms.1970.30.1.239
Abstract
Spatial discrimination reversal learning was explored for mice genetically selected for high brain weight and unselected controls with lower brain weights. Control-line Ss escaped from a water maze more rapidly, but high-line Ss made fewer errors and took less trials to reach criterion on the first reversal. Control-line Ss were unable to complete more than 1 reversal, while high-line Ss all completed at least 7 reversals. This positive relation between reversal learning and brain size is consistent with comparisons among species and experiments manipulating brain size by means of drugs or surgery.Keywords
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