Intellectual Functions in Aphasic and Non‐aphasic Brain Injured Subjects

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Abstract
Intellectual functions of three groups of 18 subjects were assessed with the Rorschach Test. The groups consisted of brain-injured subjects with residual aphasia, brain-injured subjects with no aphasia, and hospitalized controls. The subjects were individually equated for age, education, and vocabulary. The aphasic and non-aphasic brain-injured subjects were equated for the severity of brain damage. Comparison of the two brain-injured groups with the controls gave statistically significant evidence of some intellectual impairment, probably related to a loss in abstraction. In comparing the aphasic and non-aphasic brain-injured subjects, no substantial differences were found. This absence of differences was interpreted as indicating that the language disturbances in aphasia are not an integral aspect of the intellectual impairment due to brain damage.

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