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Late after-effects of cerebral trauma are difficult to study because patients tend to be seen for persisting symptoms, and not simply for their lesions. We have tried to avoid this bias by recalling periodically, over the years, 520 men with known brain injuries incurred in World War II or in Korea or Vietnam. These men are seen irrespective of clinical(More)
Acquired aphasia in children has been generally characterized as nonfluent, transient, and frequently due to right hemisphere lesions. We studied 65 children with unilateral hemispheric brain lesions occurring after speech acquisition any time from the second through the fourteenth year. Of 34 patients with a left hemisphere lesion, 25 had an initial(More)
Native users of American Sign Language were asked to manipulate sentences in four different ways: sign them at slow rate, parse them, make relatedness judgments of pairs of signs taken from each sentence, and recall the sentences. The data obtained from these four tasks (pause durations, parsing values, indices of relatedness and probe latencies) were used(More)
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