title: An fMRI study of abrupt-awake episodes during behavioral microsleeps.
abstract: This paper reports the brain activation patterns of five subjects who were abruptly awakened from microsleeps in a simulated automotive driving experiment. By comparing the BOLD signals between behavioral microsleep (BM), abrupt awakening (AA) and post-abrupt awakening (post-AA) stages, we observed that visual area, frontal cortex, limbic lobe manifested more intense activation during the AA stage while frontal cortex, temporal cortex, primary motor area and insula were more activated during the post-AA stage. These results suggested that the subjects were likely in mental states differ from those associated with decision making processes as they went through and emerged from the abrupt awakening episodes.
authors.affiliation: Computer Science Department of National Chiao Tung University, 1001 University Road, Hsinchu 300, Taiwan, ROC.
authors.forename: Yu-Hsiang
authors.initials: YH
authors.lastname: Chou
authors.forename: Chun-Chao
authors.initials: CC
authors.lastname: Chuang
authors.forename: John K
authors.initials: JK
authors.lastname: Zao
authors.forename: Li-Wei
authors.initials: LW
authors.lastname: Ko
authors.forename: Chin-Teng
authors.initials: CT
authors.lastname: Lin
mesh_terms: D000328:Adult; D001334:Automobile Driving; D001921:Brain / Q000502:physiology*; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D009415:Nerve Net / Q000502:physiology*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D012894:Sleep Stages / Q000502:physiology*; D055815:Young Adult