Masayoshi Shibata

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The location of corpus callosum injury was investigated using magnetic resonance imaging in 92 patients. The anatomical relationships in the region around the corpus callosum were also evaluated to clarify involvement in the mechanism of corpus callosum injury in 20 normal volunteers. Lesions in the posterior half of the corpus callosum accounted for 80% of(More)
BACKGROUND Patients who present with only neurological symptoms and no pain challenge the recognition of acute aortic dissection. RESULTS We report three patients with completely painless acute aortic dissection who presented with left hemiparesis. All patients presented with a left-sided weakness of sudden onset. We suspected an ischemic stroke but(More)
We report a case of isolated brain stem injury caused by the tentorium cerebelli. A 17-year-old male was admitted to our hospital. Thirty minutes before admission, he was struck by another motorcycle while driving his own motorcycle. The Glasgow Coma Scale (GCS) was 10. He had no extremity weakness and his pupils were normal. CT scan showed no evidence of(More)
In joint visual attention, the robot should not only follow a human's gaze but also identify the gaze target of the human. We believe that mutual adjustment based on the individuality of the robot is a key to identify the gaze target of the human even if the human decides the target unilaterally. In the identification, mismatches of the gaze target are(More)
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