| 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 |
| Download PDF |
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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) |
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| 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) |
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| Keyword(1) |
functional near-infrared spectroscopy |
| Keyword(2) |
event-related design |
| Keyword(3) |
General linear model |
| Keyword(4) |
model-based analysis |
| Keyword(5) |
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| Keyword(6) |
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| Keyword(7) |
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| 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 |
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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 |
| #Pages |
4 |
| Date of Issue |
2017-03-01 (HI) |