『徳島大学 教育・研究者情報データベース (EDB)』---[学外] /
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種別 (必須): 学術論文 (審査論文) [継承]
言語 (必須): 英語 [継承]
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審査 (推奨): Peer Review [継承]
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著者 (必須): 1.河野 理 ([徳島大学.大学院医歯薬学研究部.保健学域.保健科学部門.放射線科学系.放射線理工学])
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2. (英) Sawamoto Nobukatsu (日) (読)
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3. (英) Urayama Shin-Ichi (日) (読)
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4. (英) Aso Toshihiko (日) (読)
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5. (英) Aso Kenji (日) (読)
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6. (英) Seiyama Akitoshi (日) (読)
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7. (英) Fukuyama Hidenao (日) (読)
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8. (英) Le Bihan Denis (日) (読)
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題名 (必須): (英) Water-diffusion slowdown in the human visual cortex on visual stimulation precedes vascular responses.  (日)    [継承]
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要約 (任意): (英) We used magnetic resonance imaging (MRI) to investigate the temporal dynamics of changes in water diffusion and blood oxygenation level-dependent (BOLD) responses in the brain cortex of eight subjects undergoing visual stimulation, and compared them with changes of the vascular hemoglobin content (oxygenated, deoxygenated, and total hemoglobin) acquired simultaneously from intrinsic optical recordings (near infrared spectroscopy). The group average rise time for the diffusion MRI signal was statistically significantly shorter than those of the BOLD signal and total hemoglobin content optical signal, which is assumed to be the fastest observable vascular signal. In addition, the group average decay time for the diffusion MRI also was shortest. The overall time courses of the BOLD and optical signals were strongly correlated, but the covariance was weaker with the diffusion MRI response. These results suggest that the observed decrease in water diffusion reflects early events that precede the vascular responses, which could originate from changes in the extravascular tissue.  (日)    [継承]
キーワード (推奨): 1.拡散 (diffusion) [継承]
2. (英) Humans (日) (読) [継承]
3. (英) Photic Stimulation (日) (読) [継承]
4. (英) Time Factors (日) (読) [継承]
5. (英) Visual Cortex (日) (読) [継承]
6. (英) Water (日) (読) [継承]
発行所 (推奨):
誌名 (必須): Journal of Cerebral Blood Flow and Metabolism (International Society of Cerebral Blood Flow and Metabolism)
(pISSN: 0271-678X, eISSN: 1559-7016)

ISSN (任意): 1559-7016
ISSN: 0271-678X (pISSN: 0271-678X, eISSN: 1559-7016)
Title: Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism
Title(ISO): J Cereb Blood Flow Metab
Publisher: SAGE Publications
 (NLM Catalog  (Scopus  (CrossRef (Scopus information is found. [need login])
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(必須): 29 [継承]
(必須): 6 [継承]
(必須): 1197 1207 [継承]
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年月日 (必須): 西暦 2009年 4月 22日 (平成 21年 4月 22日) [継承]
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DOI (任意): 10.1038/jcbfm.2009.45    (→Scopusで検索) [継承]
PMID (任意): 19384332    (→Scopusで検索) [継承]
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WOS (任意): 000266451700014 [継承]
Scopus (任意): 2-s2.0-67349104408 [継承]
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備考 (任意): 1.(英) Article.ELocationID: 10.1038/jcbfm.2009.45  (日)    [継承]
2.(英) Article.PublicationTypeList.PublicationType: Journal Article  (日)    [継承]
3.(英) Article.PublicationTypeList.PublicationType: Research Support, Non-U.S. Gov't  (日)    [継承]

標準的な表示

和文冊子 ● Satoru Kohno, Nobukatsu Sawamoto, Shin-Ichi Urayama, Toshihiko Aso, Kenji Aso, Akitoshi Seiyama, Hidenao Fukuyama and Denis Bihan Le : Water-diffusion slowdown in the human visual cortex on visual stimulation precedes vascular responses., Journal of Cerebral Blood Flow and Metabolism, Vol.29, No.6, 1197-1207, 2009.
欧文冊子 ● Satoru Kohno, Nobukatsu Sawamoto, Shin-Ichi Urayama, Toshihiko Aso, Kenji Aso, Akitoshi Seiyama, Hidenao Fukuyama and Denis Bihan Le : Water-diffusion slowdown in the human visual cortex on visual stimulation precedes vascular responses., Journal of Cerebral Blood Flow and Metabolism, Vol.29, No.6, 1197-1207, 2009.

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