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Paper Abstract and Keywords
Presentation 2017-03-08 15:30
Hemodynamic response measurment of visual cortex based on general linear model analysis for event-related fNIRS signals
Ryota Okamoto, Aoi Kobayashi, Takeshi Kohama, Hisashi Yoshida (Kindai Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, functional near-infrared spectroscopy (fNIRS) measurement technique that can measure brain function unconstrained in a normal laboratory environment attracts attention. However, the skin blood flow fluctuations due to various factors which are easily misunderstood as brain activities, are mixed as large artifacts in fNIRS signals. When measuring brain activity by fNIRS, sufficient consideration is necessary for the designs of experiments and analysis methods. In this study, in order to examine the experimental conditions and analysis procedures suitable for brain function measurement by fNIRS, event-related fNIRS measurement was performed when a subject was observing blinking checkered flag patterns. The brain function components were extracted from the measurement fNIRS signals by using a blood flow dynamics model and applied a model based analysis method using a general linear model. The results suggest that the activation of the primary visual cortex and the secondary visual cortex is detected in synchronization with the presentation of the visual stimulus. This indicates that the proposed method is effective to measure brain fuctions by using fNIRS.
Keyword (in Japanese) (See Japanese page) 
(in English) functional near-infrared spectroscopy / event-related design / General linear model / model-based analysis / / / /  
Reference Info. ITE Tech. Rep., vol. 41, no. 9, HI2017-59, pp. 25-28, March 2017.
Paper # HI2017-59 
Date of Issue 2017-03-01 (HI) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee HI  
Conference Date 2017-03-08 - 2017-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo University of Agriculture and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HI 
Conference Code 2017-03-HI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Hemodynamic response measurment of visual cortex based on general linear model analysis for event-related fNIRS signals 
Sub Title (in English)  
Keyword(1) functional near-infrared spectroscopy  
Keyword(2) event-related design  
Keyword(3) General linear model  
Keyword(4) model-based analysis  
1st Author's Name Ryota Okamoto  
1st Author's Affiliation Kindai University (Kindai Univ.)
2nd Author's Name Aoi Kobayashi  
2nd Author's Affiliation Kindai University (Kindai Univ.)
3rd Author's Name Takeshi Kohama  
3rd Author's Affiliation Kindai University (Kindai Univ.)
4th Author's Name Hisashi Yoshida  
4th Author's Affiliation Kindai University (Kindai Univ.)
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Speaker Author-1 
Date Time 2017-03-08 15:30:00 
Presentation Time 25 minutes 
Registration for HI 
Paper # HI2017-59 
Volume (vol) vol.41 
Number (no) no.9 
Page pp.25-28 
Date of Issue 2017-03-01 (HI) 

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