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Problems with interhemispheric transfer of information in complete or partial agenesis of the corpus callosum
1Department of Neurosurgery, Royal Manchester Children's Hospital, Pendlebury, England. rnjoseph@hotmail.com
Objective:
We assessed the presence of poor interhemispheric communication in agenesis of the corpus callosum (ACC) and hydrocephalus.
Methods:
With specially designed tests, nine children with ACC were investigated and compared with 11 controls to see the degree of impairment present. Two subjects with a stretched corpus callosum due to hydrocephalus also were tested. A subject with the corpus callosum divided was tested for comparison.
Results:
Significant differences were found in tests of coordination and stereognosis both with ACC patients and the callosotomy subject. No impairments were found in the hydrocephalics.
Conclusions:
When compared with controls, ACC patients perform poorly in several tests. The callosotomy patient also showed evidence of impairment similar to that of the ACC patients.
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