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Paper Abstract and Keywords
Presentation 2017-03-09 13:55
Development and evaluation of fMRI compatible wide-view stereoscopic visual presentation system
Atsushi Wada, Yuichi Sakano, Hiroshi Ando (NICT/Osaka Univ.) HIP2016-79
Abstract (in Japanese) (See Japanese page) 
(in English) Wide-view and stereoscopic visual stimulation are known to facilitate various aspects of visual perception and cognition (e.g., spatial cognition, navigation, and self-motion perception). However, investigating their neural substrates by means of functional magnetic resonance imaging (fMRI) with high spatial resolution has been somewhat constrained by technical issues specific to MRI, including a small space with a high magnetic field inside the scanner. We here propose a novel method for presenting a natural wide-view (90 deg in the horizontal direction) stereoscopic image inside an MRI scanner, which is achieved by a custom-developed pair of dichoptic wide-view eyepiece lenses eyes made of non-magnetic material. We designed the optics to be able to simulate far-viewing distances in terms of both vergence and accommodations. Furthermore, we quantitatively assessed the influence of our system on the quality of the acquired images by conducting a human fMRI experiment. The results found no significant effect of our system on the signal-to-noise ratio (SNR) of the MR signal in the head region. We demonstrated that our newly developed system enables safe and natural presentation of wide-view stereoscopic images inside MRI scanner with valid fMRI measurement of brain activity.
Keyword (in Japanese) (See Japanese page) 
(in English) wide-view / peripheral vision / binocular stereopsis / functional neuroimaging / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 513, HIP2016-79, pp. 27-30, March 2017.
Paper # HIP2016-79 
Date of Issue 2017-03-02 (HIP) 
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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Conference Information
Committee HIP  
Conference Date 2017-03-09 - 2017-03-10 
Place (in Japanese) (See Japanese page) 
Place (in English) CiNet 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Perception, action, VR psychology, brain function measurement, BMI/BCI, etc. 
Paper Information
Registration To HIP 
Conference Code 2017-03-HIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development and evaluation of fMRI compatible wide-view stereoscopic visual presentation system 
Sub Title (in English)  
Keyword(1) wide-view  
Keyword(2) peripheral vision  
Keyword(3) binocular stereopsis  
Keyword(4) functional neuroimaging  
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Keyword(6)  
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1st Author's Name Atsushi Wada  
1st Author's Affiliation National Institute of Information and Communications Technology/Osaka University (NICT/Osaka Univ.)
2nd Author's Name Yuichi Sakano  
2nd Author's Affiliation National Institute of Information and Communications Technology/Osaka University (NICT/Osaka Univ.)
3rd Author's Name Hiroshi Ando  
3rd Author's Affiliation National Institute of Information and Communications Technology/Osaka University (NICT/Osaka Univ.)
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Speaker Author-1 
Date Time 2017-03-09 13:55:00 
Presentation Time 20 minutes 
Registration for HIP 
Paper # HIP2016-79 
Volume (vol) vol.116 
Number (no) no.513 
Page pp.27-30 
#Pages 4 
Date of Issue 2017-03-02 (HIP) 

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