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Dyspraxia Following Division of the Cerebral Commissures
M. S. Gazzaniga, PhD;
J. E. Bogen, MD;
R. W. Sperry, PhD
Arch Neurol. 1967;16(6):606-612.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings. |
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The BASIC picture of the cerebral deconnection or split-brain syndrome1 has been extended and elaborated in recent years through the study of some patients in whom cerebral commissurotomy had been carried out by P. J. Vogel at the White Memorial Medical Center, Los Angeles, in an effort to curb severe epileptic seizures not controlled by medication.2,3 Earlier descriptions of these cases dealing with visual, tactual, and language functions primarily indicate that the two separated hemispheres function quite independently with respect to most mental or gnostic activities.4-8 In brief, speech, writing, and calculation, plus visual gnosis for the right half visual field and stereognosis of the right hand, were found to be lateralized in the dominant left hemisphere, while stereognosis of the left hand and visual gnosis of the left half visual field were found restricted to the right minor hemisphere. Other functions including some aspects of language
. . . [Full Text PDF of this Article]
Author Affiliations
Los Angeles
From the Division of Biology, California Institute of Technology, Pasadena, and the Division of Neurosurgery, University of California College of Medicine, White Memorial Medical Center, Los Angeles.
Footnotes
Submitted for publication Dec 10, 1966; accepted Jan 24, 1967.
Reprint requests to Department of Psychology. University of California, Santa Barbara, Calif 91109 (Dr. Gazzaniga).
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