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| Presentation | 2012-10-27 14:15 [Poster Presentation] An Influence on the Auditory System Due to a Skull Fracture Ryosuke Sato, Kenji Furihata (Shinshu Univ.)  EA2012-71 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A brain contusion is a bruise of the brain that occurs in response to a brain injury or trauma. It was a precious experience for subject A. First, from the physiologic aspects, a CT is preferred over a magnetic resonance (MR) scan because fresh hemorrhages are easier to see. We proposed that intracranial pressure (ICP) to give emergency medical can be assessed using infrasound because tympanic membrane displacement results from the transmission of ICP waves via the cochlear duct to the inner ear and then via the oval window to the auditory ossicles of the middle ear. The relationship between the infrasound pressures from the tympanic membrane (ear canal pressure (ECP)), which is detected using an earplug embedded with a low-frequency microphone, and the carotid artery (carotid artery pressure (CAP)), which is detected using a stethoscope fitted with the same microphone, can be quantitatively characterized using a technique of systems analysis. In this paper, it can be found that the ECP waveform shows a pulsatile recording with a slow respiratory component, which is superimposed on a biphasic recording that, is synchronous with the cardiac cycle. The respiratory ECP waveform correlates with the instantaneous heart rate. Second, from the psychological aspects, we measured the threshold and the sense of direction. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Audio Characteristics / Noninvasive Measurement of Intracranial Pressure / Sound Localization / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 266, EA2012-71, pp. 37-42, Oct. 2012. | |
| Paper # | EA2012-71 | |
| Date of Issue | 2012-10-20 (EA) | |
| 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 | EA2012-71 |
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| Conference Information | |
| Committee | EA |
| Conference Date | 2012-10-27 - 2012-10-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | USHIDAKE resort (Toyama) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2012-10-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Influence on the Auditory System Due to a Skull Fracture |
| Sub Title (in English) | |
| Keyword(1) | Audio Characteristics |
| Keyword(2) | Noninvasive Measurement of Intracranial Pressure |
| Keyword(3) | Sound Localization |
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| 1st Author's Name | Ryosuke Sato |
| 1st Author's Affiliation | Shinshu University (Shinshu Univ.) |
| 2nd Author's Name | Kenji Furihata |
| 2nd Author's Affiliation | Shinshu University (Shinshu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-10-27 14:15:00 |
| Presentation Time | 210 minutes |
| Registration for | EA |
| Paper # | EA2012-71 |
| Volume (vol) | vol.112 |
| Number (no) | no.266 |
| Page | pp.37-42 |
| #Pages | 6 |
| Date of Issue | 2012-10-20 (EA) |
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