Brain, Vol. 107, No. 1, 145-153, 1984
© 1984 Oxford University Press
research-article |
DISSOCIATION OF LANGUAGE AND COGNITION: A PSYCHOLOGICAL PROFILE OF TWO DISCONNECTED RIGHT HEMISPHERES
From the Division of Cognitive Neuroscience, Department of Neurology, Cornell University Medical School 1300 York Avenue, New York, NY 10021, USA
Two split-brain patients who differ in their right hemisphere language capacity were tested on a variety of simple cognitive tasks. Both isolated right hemispheres performed poorly on most tests. The results suggest that the presence of language in the right hemisphere, a brain system that ordinarily does not possess such competence, need not necessarily confer the full complement of cognitive skills associated with the language processing skills of the left hemisphere.
Received October 12, 1982.
Revised April 28, 1983.
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