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Individual differences: Variation by design

Published online by Cambridge University Press:  09 April 2001

Anthony J. Greene  and
William B. Levy
Anthony J. Greene
Affiliation:
Department of Neurosurgery, University of Virginia, Charlottesville, VA 22908 [email protected] www.people.virginia.edu/~ajg3x
William B. Levy
Affiliation:
Department of Neurosurgery, University of Virginia, Charlottesville, VA 22908 [email protected] www.people.virginia.edu/~ajg3x
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Abstract

Stanovich & West (S&W) appear to overlook the adaptivity of variation. Behavioral variability, both between and within individuals, is an absolute necessity for phylogenetic and ontological adaptation. As with all heritable characteristics, inter-individual behavioral variation is the foundation for natural selection. Similarly, intra-individual variation allows a broad exploration of potential solutions. Variation increases the likelihood that more optimal behaviors are available for selection. Four examples of the adaptivity of variation are discussed: (a) Genetic variation as it pertains to behavior and natural selection; (b) behavioral and cognitive aspects of mate selection which may facilitate genetic diversity; (c) variation as a strategy for optimizing learning through greater exploration; and (d) behavioral variation coupled with communication as a means to propagate individually discovered behavioral success.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 23 , Issue 5 , October 2000 , pp. 676 - 677
Copyright
© 2000 Cambridge University Press

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