Kazuhiko Tokoro

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Attention is the process by which information and selection occurs, the thalamus plays an important role in the selective attention of visual and auditory information. Selective attention is a conscious effort; however, it occurs subconsciously, as well. The lateral geniculate body (LGB) filters visual information before it reaches the cortex (bottom-up(More)
BACKGROUND We tested the flow characteristics of a new siphon-reducing device, the Shunt Assistant Valve trade mark (SAV) combined with a Codman-Hakim trade mark (CH) programmable valve and studied 4 clinical cases. We discussed the efficacy of the SAV at preventing low pressure syndrome secondary to overdrainage. MATERIALS AND METHODS In the horizontal(More)
A 60-year-old male presented with normal pressure hydrocephalus following subarachnoid hemorrhage and underwent a shunt operation. However, a shunt effective range was so narrow that he repeated a sign of overdrainage and underdrainage of CSF. At the result, reflex sympathetic dystrophy (RSD) as a complication of overdrainage was demonstrated. We could(More)
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