Presentation | 2009-07-11 Relationship between Subjective Sleepiness and Indices of Pupillary Response during Sleepiness Test Minoru NAKAYAMA, Keiko YAMAMOTO, Fumio KOBAYASHI, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | Relationship amongst indices which were extracted from papillary response during pupillographic sleepiness test (PST) were determined for predicting sleepiness. Pupillary unrest index (PUI) and mean frequency powers in the periods of 0.1-0.8Hz and 0.9-1.9Hz, which were extracted by factor analysis of frequency spectrum for compensated pupillary response with blink artifact, also blink time were summarized. Those indices were compared between high and low groups of subjective sleepiness indices. A possible causal relationship amongst those indices was determined using structural equation modeling technique. According to path coefficients on the model, influence of blink was examined. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | Pupil size / Sleepiness / Frequency Analysis / Structural Equation Modeling / Path Analysis |
Paper # | MBE2009-30 |
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Committee | MBE |
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Conference Date | 2009/7/3(1days) |
Place (in Japanese) | (See Japanese page) |
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Registration To | ME and Bio Cybernetics (MBE) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | Relationship between Subjective Sleepiness and Indices of Pupillary Response during Sleepiness Test |
Sub Title (in English) | |
Keyword(1) | Pupil size |
Keyword(2) | Sleepiness |
Keyword(3) | Frequency Analysis |
Keyword(4) | Structural Equation Modeling |
Keyword(5) | Path Analysis |
1st Author's Name | Minoru NAKAYAMA |
1st Author's Affiliation | CRADLE, Tokyo Institute of Technology() |
2nd Author's Name | Keiko YAMAMOTO |
2nd Author's Affiliation | Department of Health and Psychosocial Medicine, Aichi Medical University |
3rd Author's Name | Fumio KOBAYASHI |
3rd Author's Affiliation | Department of Health and Psychosocial Medicine, Aichi Medical University |
Date | 2009-07-11 |
Paper # | MBE2009-30 |
Volume (vol) | vol.109 |
Number (no) | 123 |
Page | pp.pp.- |
#Pages | 6 |
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