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| Presentation | 2014-05-24 16:05 Estimation Method of Trait Anxiety by Frequency Analysis of Pupil Diameter Variation Yuki Yamakawa, Hironobu Takano, Kiyomi Nakamura (Toyama Prefectural Univ)  MBE2014-11 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the trait anxiety examination, it is required to use physiological responses as objective indicators, instead of the conventional questionnaire method. The previous study indicates that the high frequency component of heart rate variability (HF) would be used as the objective indicator of the trait anxiety estimation because the heart rate is influenced by the activity of autonomic nervous system. However, ECG measurement is required to put electrodes on a body of a subject. On the other hand, the pupil diameter variation would be used for trait anxiety estimation because the pupillary movement which can be measured noninvasively is controlled by the parasympathetic and sympathetic nervous systems. In this paper, we develop the experimental system and preliminarily investigate the relationship between the pupil diameter variation and trait anxiety. In the experiment, the 30 anxiety stimulus images are sequentially presented to subjects at the intervals of 1.5 seconds. The dynamic images of their eyes are captured for measuring the pupil diameter. The LF/HF and HF/(LF+HF) are obtained by the frequency analysis of pupil diameter variation. From experimental results, LF/HF for the subject with high-trait anxiety is larger than that for the subject with low-trait anxiety. On the other hand, HF/(LF+HF) for the subject with low-trait anxiety is larger than that for the subject with high-trait anxiety. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Pupil diameter / Estimation method of trait anxiety / State-Trait Anxiety Inventory / Frequency analysis / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 51, MBE2014-11, pp. 53-56, May 2014. | |
| Paper # | MBE2014-11 | |
| Date of Issue | 2014-05-17 (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 | MBE2014-11 |
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| Conference Information | |
| Committee | MBE |
| Conference Date | 2014-05-24 - 2014-05-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | University of Toyama |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2014-05-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Estimation Method of Trait Anxiety by Frequency Analysis of Pupil Diameter Variation |
| Sub Title (in English) | |
| Keyword(1) | Pupil diameter |
| Keyword(2) | Estimation method of trait anxiety |
| Keyword(3) | State-Trait Anxiety Inventory |
| Keyword(4) | Frequency analysis |
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| 1st Author's Name | Yuki Yamakawa |
| 1st Author's Affiliation | Toyama Prefectural University (Toyama Prefectural Univ) |
| 2nd Author's Name | Hironobu Takano |
| 2nd Author's Affiliation | Toyama Prefectural University (Toyama Prefectural Univ) |
| 3rd Author's Name | Kiyomi Nakamura |
| 3rd Author's Affiliation | Toyama Prefectural University (Toyama Prefectural Univ) |
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| Speaker | Author-1 |
| Date Time | 2014-05-24 16:05:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2014-11 |
| Volume (vol) | vol.114 |
| Number (no) | no.51 |
| Page | pp.53-56 |
| #Pages | 4 |
| Date of Issue | 2014-05-17 (MBE) |
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