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Brain Disconnection and Schizophrenia

Published online by Cambridge University Press:  29 January 2018

J. G. Beaumont  and
S. J. Dimond
J. G. Beaumont
Affiliation:
Department of Psychology, University College, P.O. Box 78, Cardiff, CF1 1XL
S. J. Dimond
Affiliation:
Department of Psychology, University College, P.O. Box 78, Cardiff, CF1 1XL
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Extract

The concept of brain disconnection derives from work in which the two cerebral hemispheres are surgically separated by division of the corpus callosum. The patient behaves as if his two half-brains function to some degree independently. The syndrome of brain disconnection is exemplified by such split-brain cases (Geschwind, 1965). Neither hemisphere shows an awareness of the functions of the other, and there is a marked failure to cross-match stimuli across the midline of the body. The integrity of the corpus callosum is essential to normal integration between the hemispheres.

Type
Abstract
Information
The British Journal of Psychiatry , Volume 123 , Issue 577 , December 1973 , pp. 661 - 662
Copyright
Copyright © Royal College of Psychiatrists, 1973 

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References

Beaumont, J. G., and Dimond, S. J. (1973). ‘The clinical assessment of interhemispheric psychological functioning.’ Journal of Neurology, Neurosurgery Nand Psychiatry. In press.CrossRefGoogle Scholar
Geschwind, N. (1965). ‘Disconnexion syndromes in animals and man.’ Brain, 88, 237–94, 585–644.CrossRefGoogle Scholar
Rosenthal, R., and Bigelow, L. B. (1972). ‘Quantitative brain measurements in chronic schizophrenia.’ British Journal of Psychiatry, 121, 259–64.CrossRefGoogle ScholarPubMed
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