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| Presentation | 2009-11-13 13:30 A response waveform analysis for pupillary light reflex Minoru Nakayama (Tokyo Inst. of Tech.), Wioletta Nowak (Wroclaw Univ. of Tech.), Hitoshi Ishikawa, Ken Asakawa (Kitasato Univ.)  MBE2009-67 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The waveforms of Pupillary Light Reflex (PLR) affecting retinal ganglion cells can be analyzed for a diagnostic test. For those analysis, quantitative comparison metrics for waveform shapes using Discrete Fourier Transform (DFT) descriptors (FDs) are proposed, and another procedure for emphasizing stimuli and subject differences using MultiDimensional Scaling (MDS) and clustering, where dissimilarities between stimuli are defined using descriptors as waveform features. To determine the efficiency of the procedures, a set of PLR data from a conventional experiment for the determination of a melanopsin-associated photoreceptive system was analyzed, both characteristics of stimuli and subjects were quantitatively extracted using the proposed procedures. Additionally, PLR is decomposed and analyzed those features using Independent Component Analysis (ICA). |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Pupil Light Reflex / Waveforms / Fourier Descriptor / Multidimensional Scaling / Independent Component Analysis / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 279, MBE2009-67, pp. 31-36, Nov. 2009. | |
| Paper # | MBE2009-67 | |
| Date of Issue | 2009-11-05 (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 | MBE2009-67 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2009-11-12 - 2009-11-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | BCI/BMI and related topics, NC, ME, etc. |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2009-11-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A response waveform analysis for pupillary light reflex |
| Sub Title (in English) | |
| Keyword(1) | Pupil Light Reflex |
| Keyword(2) | Waveforms |
| Keyword(3) | Fourier Descriptor |
| Keyword(4) | Multidimensional Scaling |
| Keyword(5) | Independent Component Analysis |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Minoru Nakayama |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 2nd Author's Name | Wioletta Nowak |
| 2nd Author's Affiliation | Wroclaw University of Technology (Wroclaw Univ. of Tech.) |
| 3rd Author's Name | Hitoshi Ishikawa |
| 3rd Author's Affiliation | Kitasato University (Kitasato Univ.) |
| 4th Author's Name | Ken Asakawa |
| 4th Author's Affiliation | Kitasato University (Kitasato Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-11-13 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2009-67 |
| Volume (vol) | vol.109 |
| Number (no) | no.279 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2009-11-05 (MBE) |
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