Global aphasia: An innovative assessment approach
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OBJECTIVE: To provide an alternative language comprehension assessment strategy for patients unable to be tested with traditional verbally/behaviorally based methods. DESIGN: Event-related brain potentials were recorded from three midline scalp locations to visually and aurally computer-presented sentences, 50% of which were semantically appropriate and 50% semantically incongruous. SETTING: A rehabilitation hospital. PATIENT: A 21-year-old man with a traumatic brain injury. RESULTS: The patient exhibited brain response patterns to aurally presented congruous and incongruous sentences indicative of intact semantic processing capabilities. These findings resulted in reinstatement of individualized rehabilitative intervention, with a successful outcome. CONCLUSIONS: This innovative technique provides new opportunities for assessing intellectual function in noncommunicative patients who were patients previously unable to be tested.
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