Paper Abstract and Keywords |
Presentation |
2008-03-13 11:50
Somatosensory reflex is anticipatorily modulated according to dynamical environments during movements Toshitaka Kimura, Hiroaki Gomi (NTT CS Labs) NC2007-167 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Somatosensory reflex during movement is known to be modulated according to given tasks and environments anticipatorily, before movement initiation. It is unclear, however, whether the reflex gain setting is completed before movement start or the gain setting is developed in relation to a target event even after movement initiation. Here we investigated temporal feature of anticipatory reflex gain modulation when subjects performed planar reaching movement with different force fields in the later part of movement. Arm reflex response was induced by a small perturbation at several timings before the arm encountered the force field, after movement start. We found clearer reflex gain modulation according to the force field directions as the perturbation was applied closer the force fields. An additional experiment further showed that the reflex modulation was developed in relation to the temporal distance to the force fields rather than the spatial distance. These findings suggest that somatosensory reflex gain is set in time domain for upcoming dynamical environment, independently of movement execution. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Somatosensory reflex / Reflex gain modulation / Temporal feature / Anticipation / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 107, no. 542, NC2007-167, pp. 325-330, March 2008. |
Paper # |
NC2007-167 |
Date of Issue |
2008-03-05 (NC) |
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) |
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NC2007-167 |
Conference Information |
Committee |
NC MBE |
Conference Date |
2008-03-12 - 2008-03-14 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Tamagawa Univ |
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(See Japanese page) |
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Paper Information |
Registration To |
NC |
Conference Code |
2008-03-NC-MBE |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Somatosensory reflex is anticipatorily modulated according to dynamical environments during movements |
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Somatosensory reflex |
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Reflex gain modulation |
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Temporal feature |
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Anticipation |
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1st Author's Name |
Toshitaka Kimura |
1st Author's Affiliation |
NTT Communication Science Laboratories (NTT CS Labs) |
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Hiroaki Gomi |
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NTT Communication Science Laboratories (NTT CS Labs) |
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Speaker |
Author-1 |
Date Time |
2008-03-13 11:50:00 |
Presentation Time |
20 minutes |
Registration for |
NC |
Paper # |
NC2007-167 |
Volume (vol) |
vol.107 |
Number (no) |
no.542 |
Page |
pp.325-330 |
#Pages |
6 |
Date of Issue |
2008-03-05 (NC) |
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