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Variation in lateralization: Selected samples do not a population make

Published online by Cambridge University Press:  04 February 2010

Terry E. Robinson
Affiliation:
Psychology Department and Neuroscience Laboratory, University of Michigan, Ann Arbor, Mich. 48109.
Jill B. Becker
Affiliation:
Psychology Department and Neuroscience Laboratory, University of Michigan, Ann Arbor, Mich. 48109.

Extract

The two major points of Denenberg's article are (1) that animals have lateralized brains, and (2) that the pattern of cerebral lateralization is consistent across species (i.e., “the left hemisphere will be primarily involved in communicative functions,” the right hemisphere with processing “spatial and affective information.” In addition, there is an unstated assumption that the pattern of lateralization is consistent within species. The evidence reviewed by Denenberg leaves little doubt that nonhuman animals have asymmetrically organized brains. However, there are problems with the suggestion that there is a consistent pattern of cerebral lateralization within or across different populations of species.

Information

Type
Open Peer Commentary
Copyright
Copyright © Cambridge University Press 1981

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