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Transient increase in systemic interferences in the superficial layer and its influence on event-related motor tasks: a functional near-infrared spectroscopy study
http://hdl.handle.net/2241/00146027
http://hdl.handle.net/2241/00146027de9c0e52-f843-49c4-a711-7933e5cc3836
名前 / ファイル | ライセンス | アクション |
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JBO_22-3 (1.4 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2017-05-01 | |||||
タイトル | ||||||
タイトル | Transient increase in systemic interferences in the superficial layer and its influence on event-related motor tasks: a functional near-infrared spectroscopy study | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Nambu, Isao
× Nambu, Isao× Ozawa, Takuya× Sato, Takanori× Aihara, Takatsugu× Fujiwara, Yusuke× Otaka, Yohei× Osu, Rieko× Izawa, Jun× Wada, Yasuhiro |
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著者別名 |
井澤, 淳
× 井澤, 淳 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Abstract. Functional near-infrared spectroscopy (fNIRS) is a widely utilized neuroimaging tool in fundamental neuroscience research and clinical investigation. Previous research has revealed that task-evoked systemic artifacts mainly originating from the superficial-tissue may preclude the identification of cerebral activation during a given task. We examined the influence of such artifacts on event-related brain activity during a brisk squeezing movement. We estimated task-evoked superficial-tissue hemodynamics from short source–detector distance channels (15 mm) by applying principal component analysis. The estimated superficial-tissue hemodynamics exhibited temporal profiles similar to the canonical cerebral hemodynamic model. Importantly, this task-evoked profile was also observed in data from a block design motor experiment, suggesting a transient increase in superficial-tissue hemodynamics occurs following motor behavior, irrespective of task design. We also confirmed that estimation of event-related cerebral hemodynamics was improved by a simple superficial-tissue hemodynamic artifact removal process using 15-mm short distance channels, compared to the results when no artifact removal was applied. Thus, our results elucidate task design-independent characteristics of superficial-tissue hemodynamics and highlight the need for the application of superficial-tissue hemodynamic artifact removal methods when analyzing fNIRS data obtained during event-related motor tasks. | |||||
書誌情報 |
Journal of biomedical optics 巻 22, 号 3, p. 035008, 発行日 2017-03 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1083-3668 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11237889 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 28294282 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1117/1.JBO.22.3.035008 | |||||
権利 | ||||||
権利情報 | © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI. | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | SPIE-the International Society for Optical Engineering |