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Paper Abstract and Keywords
Presentation 2010-10-15 10:25
Capacity of visual short-term memory modulated by expansion/contraction motion
Junichi Takahashi (Tohoku Univ./JSPS), Yousuke Kawachi (Tohoku Fukushi Univ.), Jiro Gyoba (Tohoku Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) We examined the modulatory effects of expanding/contracting motion on the capacity of visual short-term memory (VSTM). We used a change detection task in which participants judged whether the orientations of line segments were the same or different between two successively presented displays. We estimated the VSTM capacity based on the accuracy, and compared the capacity for line segments between expanding and contracting motion. As the results, the VSTM capacity for expanding objects was larger than that for contracting objects when the set size was five and seven in experiment 1. Furthermore, the possible account of recency effects of object size were excluded in experiment 2. These results indicated that expanding objects predominantly modulate the capacity of VSTM compared with contracting objects. We discussed these results in terms of possible differences of the expanding/contracting motion processing together with ecological validity.
Keyword (in Japanese) (See Japanese page) 
(in English) Visual short-term memory / Expanding/contracting motion / Ecological validity / / / / /  
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Conference Information
Committee HI CE IEICE-HIP  
Conference Date 2010-10-14 - 2010-10-15 
Place (in Japanese) (See Japanese page) 
Place (in English) RIEC, Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To IEICE-HIP 
Conference Code 2010-10-HIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Capacity of visual short-term memory modulated by expansion/contraction motion 
Sub Title (in English)  
Keyword(1) Visual short-term memory  
Keyword(2) Expanding/contracting motion  
Keyword(3) Ecological validity  
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1st Author's Name Junichi Takahashi  
1st Author's Affiliation Tohoku University/Japan Society for the Promotion of Science (Tohoku Univ./JSPS)
2nd Author's Name Yousuke Kawachi  
2nd Author's Affiliation Tohoku Fukushi University (Tohoku Fukushi Univ.)
3rd Author's Name Jiro Gyoba  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2010-10-15 10:25:00 
Presentation Time 25 minutes 
Registration for IEICE-HIP 
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Volume (vol) vol.34 
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