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Science 22 January 1960:
Vol. 131. no. 3395, pp. 227 - 228
DOI: 10.1126/science.131.3395.227
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Articles

Critical Periods for the Effects of Infantile Experience on Adult Learning

Victor H. Denenberg 1 and Robert W. Bell 1

1 Department of Psychology, Allegheny College, Meadville, Pa. Department of Psychology, Purdue University, Lafayette, Indiana

Mice were shocked with 0.1, 0.3, or 0.5 ma of current at 2 to 3, 8 to 9, or 15 to 16 days. Handled, nonshocked and nonhandled controls were also used. In adulthood each group was split into thirds and taught an avoidance response under shock of 0.3, 0.5, or 0.7 ma. The amount of shock given during infancy and adulthood, and the age at which shock occurred, were all found to have significant effects upon learning.


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