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Brain CT (left) showing subarachnoid hemorrhage at onset and diffusion tensor tractography of the ascending reticular activating system between the pontine reticular formation and the intralaminar thalamic nuclei (right) in 2 patients (A, A 69-year-old woman, Glasgow Coma Scale score, 11; and B, A 57-year-old woman, Glasgow Coma Scale score, 15).
