Cerebral effects of environmental complexity and training among adult rats.
Rosenzweig, Mark R.; Bennett, Edward L.; Krech, David
[Article] Journal of Comparative & Physiological Psychology. 57(3):438-439, June 1964.

(Format: HTML, PDF)

: In 2 experiments, adult rats have shown cerebral effects of environmental complexity and training that are comparable to effects previously observed among younger animals. These effects cannot, therefore, be attributed solely to alterations in early growth and development. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

(C) 1964 by the American Psychological Association