A prospective study has been done on the relationship between closed head trauma and aphasia. The most frequent type of aphasia seen after closed head injury is an anomic aphasia. This aphasia is often associated with other defects of higher cortical function. The second most common type of aphasia is a Wernicke's aphasia. Other types of aphasia were not seen in this study. The areas of the head which when injured produce aphasia are the right orbitofrontal region and the left temporoparietal region. The prognosis for recovery appeared highly variable.
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↵2 Reprint requests to K.M.H., Section of Neurology, University of Florida College of Medicine, Gainesville, Florida 32601, U.S.A.
↵1 This study was supported in part by Training Grant NS05074 and by Grant NS06209 from The National Institute of Neurological Disease and Stroke. The paper was read before the 688th meeting of the Boston Society of Psychiatry and Neurology.
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