Shihori Hayashi

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Using an optical imaging technique with voltage-sensitive dyes (VSDs), we investigated the functional organization and architecture of the central nervous system (CNS) during embryogenesis. In the embryonic nervous system, a merocyanine-rhodanine dye, NK2761, has proved to be the most useful absorption dye for detecting neuronal activity because of its high(More)
In a previous study, we applied a multiple-site optical recording technique with a voltage-sensitive dye to the embryonic chick olfactory system and showed that functional synaptic transmission in the olfactory bulb was expressed at embryonic 6-7-day stages. It is known that oscillations, i.e. stereotyped sinusoidal neural activity, appear in the olfactory(More)
Recent studies on gliomas have shown frequent alterations in the alpha-thalassemia/mental retardation syndrome X-linked gene (ATRX). This study was designed to determine whether ATRX status correlates with uptake of 11C-methionine in WHO grades II and III gliomas. Sixty-two patients underwent 11C-methionine positron emission tomography scans prior to(More)
The positron emission tomography (PET) radioligand for adenosine A1 receptor (A1R) [1-methyl-11C] 8-dicyclopropylmethyl-1-methyl-3-propylxanthine (MPDX) has recently been developed for human brain imaging. In the present study, we evaluated the alteration of the A1R in patients with diffuse axonal injury (DAI) in chronic stage in vivo. Ten patients with DAI(More)
Ruptured intracranial aneurysms are rare in the pediatric population compared to adults. This has incited considerable discussion on how to treat children with this condition. Here, we report a child with a ruptured saccular basilar artery aneurysm that was successfully treated with coil embolization. A 12-year-old boy with acute lymphoblastic leukemia and(More)
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