Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.clinph.2007.02.001
Title: Characteristic EEG differences between voluntary recumbent sleep onset in bed and involuntary sleep onset in a driving simulator
Authors: Yeo, M.V.M.
Li, X. 
Wilder-Smith, E.P.V.
Keywords: Driving
EEG
Posture
Sleep mode
Sleep onset
Vertex wave
Issue Date: Jun-2007
Source: Yeo, M.V.M., Li, X., Wilder-Smith, E.P.V. (2007-06). Characteristic EEG differences between voluntary recumbent sleep onset in bed and involuntary sleep onset in a driving simulator. Clinical Neurophysiology 118 (6) : 1315-1323. ScholarBank@NUS Repository. https://doi.org/10.1016/j.clinph.2007.02.001
Abstract: Objective: To investigate the differences in electroencephalographic (EEG) characteristics for voluntary sleep onset in bed sleeping and involuntary sleep onset in driving. Methods: EEG measurement and analysis on 20 human subjects were conducted during recumbent bed sleeping as well as involuntary sleeping during a simulated driving platform. Each experiment was conducted on separate days. Results: Vertex and spindle waves showed differing morphology under each condition. Vertex sharpness during recumbent sleep onset was significantly sharper than involuntary sleep onset during simulated driving. Sharpness of vertices from night-driving was significantly sharper than with day-driving. Triple conjoined vertex waves only occurred with voluntary recumbent sleep onset. A conjoined vertex spindle waveform was statistically associated with sleep onset whilst driving. Conclusions: This study has identified distinctive differences in EEG graphoelements during the sleep onset phase of recumbent and simulated driving conditions suggesting that EEG graphoelements are affected by cortical processes and vary according to the prevalent sleep condition. Significance: This study could provide a further basis for developing safety alerting devices for the detection of sleep onset in the hope of improving driving safety. © 2007 International Federation of Clinical Neurophysiology.
Source Title: Clinical Neurophysiology
URI: http://scholarbank.nus.edu.sg/handle/10635/51348
ISSN: 13882457
DOI: 10.1016/j.clinph.2007.02.001
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