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Paper Abstract and Keywords
Presentation 2017-10-24 15:30
Pupil Size Changes During Observation of Surface Appearance
Midori Tanaka, Ryusuke Arai, Takahiko Horiuchi (Chiba Univ.) HIP2017-79
Abstract (in Japanese) (See Japanese page) 
(in English) Pupil behavior is widely studied as recognition mechanism of the visual information. Changes in pupil diameter are known to be caused by the brightness of the surrounding illumination environment. In recent studies, it has been reported that human internal conditions such as interest, memory, and stress can affect the pupil diameter. In this study, we focus on the pupil behavior during observation of surface appearance of material objects and measure the changes of pupil size by conducting the psychophysiological experiments. As a result, we found that the pupil size contracted during the careful observation of material appearance of object surface.
Keyword (in Japanese) (See Japanese page) 
(in English) Pupil size / Material appearance / Psychophysiological experiment / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 259, HIP2017-79, pp. 97-99, Oct. 2017.
Paper # HIP2017-79 
Date of Issue 2017-10-16 (HIP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 2017-10-23 - 2017-10-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Terrsa 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Eye Movement (including Accommodation and Pupil), Spatial Perception (Depth Perception, Motion Perception, etc.), etc. 
Paper Information
Registration To HIP 
Conference Code 2017-10-HIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Pupil Size Changes During Observation of Surface Appearance 
Sub Title (in English)  
Keyword(1) Pupil size  
Keyword(2) Material appearance  
Keyword(3) Psychophysiological experiment  
1st Author's Name Midori Tanaka  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Ryusuke Arai  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Takahiko Horiuchi  
3rd Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2017-10-24 15:30:00 
Presentation Time 20 minutes 
Registration for HIP 
Paper # HIP2017-79 
Volume (vol) vol.117 
Number (no) no.259 
Page pp.97-99 
Date of Issue 2017-10-16 (HIP) 

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