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| Presentation | 2015-05-23 16:35 Frequency Analysis of Pupil Diameter Variation for Estimation of Trait Anxiety Yuki Yamakawa, Azusa Takano, Hironobu Takano, Kiyomi Nakamura (Toyama Pref. Univ.)  MBE2015-12 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The trait anxiety is examined by the questionnaire method. However, this method has problem that subjects can intentionally distort the answer. Thus, it is required to use physiological responses as the objective indicator. The pupil diameter controlled by the autonomic nerve system can be measured noninvasively. In this paper, we focus on the pupil diameter variation to estimate the trait anxiety. In the experiment, the anxiety stimulus images were presented to subjects, and we investigated the relationship between the autonomic nerve indicator derived from the pupil diameter variation and trait anxiety score. From the experimental results, the LF/HF calculated from the pupil diameter variation significantly increased with the trait anxiety score. On the other hand, HF and HF/(LF+HF) significantly decreased with the trait anxiety score. Therefore, the experimental results suggested that the trait anxiety can be estimated by the pupil diameter variation during the anxiety stimulus presentation. In addition, the optimum frequency band in LF of the pupil diameter variation for the anxiety estimation shifts to high-frequency side than that of the heart rate variability. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Pupil diameter / Trait anxiety / State anxiety / STAI / Frequency analysis / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 49, MBE2015-12, pp. 61-66, May 2015. | |
| Paper # | MBE2015-12 | |
| Date of Issue | 2015-05-16 (MBE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | MBE2015-12 |
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| Conference Information | |
| Committee | MBE |
| Conference Date | 2015-05-23 - 2015-05-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2015-05-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Frequency Analysis of Pupil Diameter Variation for Estimation of Trait Anxiety |
| Sub Title (in English) | |
| Keyword(1) | Pupil diameter |
| Keyword(2) | Trait anxiety |
| Keyword(3) | State anxiety |
| Keyword(4) | STAI |
| Keyword(5) | Frequency analysis |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuki Yamakawa |
| 1st Author's Affiliation | Toyama Prefectural University (Toyama Pref. Univ.) |
| 2nd Author's Name | Azusa Takano |
| 2nd Author's Affiliation | Toyama Prefectural University (Toyama Pref. Univ.) |
| 3rd Author's Name | Hironobu Takano |
| 3rd Author's Affiliation | Toyama Prefectural University (Toyama Pref. Univ.) |
| 4th Author's Name | Kiyomi Nakamura |
| 4th Author's Affiliation | Toyama Prefectural University (Toyama Pref. Univ.) |
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| Speaker | Author-2 |
| Date Time | 2015-05-23 16:35:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2015-12 |
| Volume (vol) | vol.115 |
| Number (no) | no.49 |
| Page | pp.61-66 |
| #Pages | 6 |
| Date of Issue | 2015-05-16 (MBE) |
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