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Paper Abstract and Keywords
Presentation 2018-12-14 16:35
Task-dependent perceptual learning in material perception
Takehiro Nagai (Tokyo Tech), Shuto Komatsu, Hiroaki Kiyokawa, Tomonori Tashiro, Yasuki Yamauchi (Yamagata Univ)
Abstract (in Japanese) (See Japanese page) 
(in English) The phenomenon that performing repeatedly a perceptual task increases its sensitivity is referred to as perceptual learning. Our aim was to clarify 1) if perceptual learning is observed for material perception tasks, and 2) if performing tasks, not just observing stimuli, is crucial for perceptual learning in material perception. We used computer-graphics images exhibiting both perceptual glossiness and translucency. The observers were divided into two groups according to required tasks: the glossiness group and translucency group. These two groups performed the assigned tasks for the same stimuli for 10 days in the training phase, and we compared the task performances for both glossiness and transparency discrimination before and after the training. The results demonstrated that the task performance for only the material feature the observers trained increased after the training in each observer group, but not for the untrained feature. These results suggest that perceptual learning in material perception required repeating the material judgment tasks, not just observing the material stimuli.
Keyword (in Japanese) (See Japanese page) 
(in English) Material perception / perceptual learning / psychophysics / / / / /  
Reference Info. ITE Tech. Rep., vol. 42, no. 43, HI2018-67, pp. 25-28, Dec. 2018.
Paper # HI2018-67 
Date of Issue 2018-12-07 (HI) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee HI VRPSY  
Conference Date 2018-12-14 - 2018-12-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Kokura Campus, Univ. Kitakyushu 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HI 
Conference Code 2018-12-HI-VRPSY 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Task-dependent perceptual learning in material perception 
Sub Title (in English)  
Keyword(1) Material perception  
Keyword(2) perceptual learning  
Keyword(3) psychophysics  
1st Author's Name Takehiro Nagai  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Shuto Komatsu  
2nd Author's Affiliation Yamagata University (Yamagata Univ)
3rd Author's Name Hiroaki Kiyokawa  
3rd Author's Affiliation Yamagata University (Yamagata Univ)
4th Author's Name Tomonori Tashiro  
4th Author's Affiliation Yamagata University (Yamagata Univ)
5th Author's Name Yasuki Yamauchi  
5th Author's Affiliation Yamagata University (Yamagata Univ)
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Speaker Author-1 
Date Time 2018-12-14 16:35:00 
Presentation Time 20 minutes 
Registration for HI 
Paper # HI2018-67 
Volume (vol) vol.42 
Number (no) no.43 
Page pp.25-28 
Date of Issue 2018-12-07 (HI) 

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