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Paper Abstract and Keywords
Presentation 2010-10-15 14:55
Analysis of pupillary change for recall test using contextual understanding task
Minoru Nakayama, Yuko Hayashi (Tokyo Tech)
Abstract (in Japanese) (See Japanese page) 
(in English) To estimate level of a contextual understanding using oculo-motor
indices, two types of sentences such as definition and question
statements are shown and they are memorizing and recall tasks.
It is obtained that a set of features of eye movements for these
statements can predict the recall accuracy including recall rates and
correctness of responses in our previous reports,
As pupil size was also measured during the tasks as well as eye
movements, mean sizes and feature of pupillary changes were analyzed
for predicting responses for question statements.
While pupil size increased with the number of definition statements,
the pupil size decreased with the number of question statements.
The phenomenon coincides with a process of short term memorizing and
recall task.
The mean pupil sizes for 5 and 7 statements conditions were higher than
one for 3 statements condition.
The information of mean pupil sizes and features of pupillary changes
made improve the prediction performance using eye movement features.
The prediction performance of correct response for question statements
were improved using both eye movement and pupillary features for
definition statements in addition to eye movement features for question
statements.
Keyword (in Japanese) (See Japanese page) 
(in English) recall task / answer correctness / pupil / response prediction / eye movements / / /  
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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) 
Topics (in English)  
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) Analysis of pupillary change for recall test using contextual understanding task 
Sub Title (in English)  
Keyword(1) recall task  
Keyword(2) answer correctness  
Keyword(3) pupil  
Keyword(4) response prediction  
Keyword(5) eye movements  
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1st Author's Name Minoru Nakayama  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Yuko Hayashi  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2010-10-15 14:55:00 
Presentation Time 25 minutes 
Registration for IEICE-HIP 
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Volume (vol) vol.34 
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