Dynamics of saccadic eye movement depending on diurnal variation in human alertness

From the viewpoint of traffic accident prevention or intelligent interface construction, the proposal of indices which can simply evaluate alertness is desirable. In this paper, to investigate the possibility of alertness evaluation using saccadic eye movement (SC), we report 24‐hour sleep deprivati...

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Bibliographic Details
Published in:Systems and computers in Japan 2002-06, Vol.33 (7), p.95-103
Main Authors: Ueno, Akinori, Tateyama, Tsuyoshi, Takase, Moriichiro, Minamitani, Haruyuki
Format: Article
Language:English
Subjects:
24-hour variation
Accident prevention
brain wave
Cameras
Charge coupled devices
Correlation methods
diurnal variation
frequency analysis
Saccadic eye movement
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Summary:From the viewpoint of traffic accident prevention or intelligent interface construction, the proposal of indices which can simply evaluate alertness is desirable. In this paper, to investigate the possibility of alertness evaluation using saccadic eye movement (SC), we report 24‐hour sleep deprivation experiments and investigate the relationship between the diurnal variation and SC dynamics. It has become clear that three parameters of SC, namely, the peak velocity/duration ratio, the normalized peak velocity, and the normalized duration, have strong correlations with the amplitude component of brain waves, sleepiness, and subjective alertness. These results imply that SC dynamics have a high dependence on the two alertness indices, physiological and subjective, and the possibility of application of the SC dynamics to alertness evaluation is shown. © 2002 Wiley Periodicals, Inc. Syst Comp Jpn, 33(7): 95–103, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/scj.1145
ISSN:0882-1666
1520-684X
DOI:10.1002/scj.1145