The DOI matches its Crossref record; 22 of the 25 references it cites were found in a registry or an index.
Body posture affects electroencephalographic activity and psychomotor vigilance task performance in sleep-deprived subjects
Abstract
Objective This study examined the effects of posture on electroencephalographic (EEG) activity and psychomotor vigilance task (PVT) performance in 16 sleep-deprived volunteers.Methods EEG data were collected while participants completed 10 min PVTs under two counterbalanced sitting/standing conditions during 28 h of continuous wakefulness.Results In both the sitting and standing conditions, theta activity progressively increased as a function of sleep loss, but standing upright significantly attenuated this effect, suggesting that alertness was improved by the more upright posture. The PVT results showed that cognitive psychomotor performance was maintained at nearly well-rested levels by standing upright, whereas reaction time and attention noticeably deteriorated when participants were seated.Conclusions These results suggest that an upright posture increases EEG arousal and sustained attention, indicating that postural manipulations can be useful for counteracting fatigue in sleep-deprived individuals.
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“In real life, sleep onset and maintenance also depend on whether some seemingly trivial yet crucial conditions are met, like having attained an appropriate posture.”
From Sleep, vigilance, and thermosensitivity (2012) · cites this paper as [13]
In the citing paper
“Being in a supine position is being in a sleep-permissive condition, whereas being upright is being in a wake-promoting condition [2, 13, 14, 18, 49, 62].”
From Sleep, vigilance, and thermosensitivity (2012) · cites this paper as [13]
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Sleep Deprivation and Vigilant Attention
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“, 1997) and when subjects are sleepy but attempting to remain vigilant (Caldwell et al., 2003), suggesting that theta is not strictly related to the amount of information being manipulated but to the level of mental ‘‘effort’’ being expended to deal with the task.”
BackgroundEEG-Based Brain-Computer Interfaces Using Motor-Imagery: Techniques and Challenges
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“It was also noted in [12] that postural changes could be used to increase attention in subjects who felt tired.”
BackgroundThe Neural Basis of the Psychomotor Vigilance Task
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Metadata
- Authors
- Caldwell, J. A., Prazinko, B., & Caldwell, J. L.
- Affiliations
- United States Army Aeromedical Research Lab (US)
- Corresponding author
- Caldwell, John A
- ORCID
- Caldwell, John A
- Venue
- Clinical Neurophysiology
- Publisher
- Elsevier BV
- Published
- 2003-01
- Volume
- 114
- Issue
- 1
- Pages
- 23-31
- ISSN
- 1388-2457 (ISSN-L)
- OpenAlex
- W1964195194
- Cited by
- 150
- References
- 25
- Citations by year
- 2026: 2 · 2025: 7 · 2024: 5 · 2023: 2 · 2022: 10 · 2021: 12 · 2020: 11 · 2019: 7 · 2018: 15 · 2017: 2 · 2016: 6 · 2015: 4 · 2014: 7 · 2013: 11 · 2012: 5
- FWCI
- 5.28
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Clinical Neurophysiology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
- Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
- Life Sciences › Neuroscience › Cognitive Neuroscience › Mind wandering and attention
- Keywords
- posture, sleep deprivation, electroencephalographic activity, theta activity, psychomotor vigilance task, sustained attention, reaction time, standing posture, sitting posture, alertness, fatigue countermeasures, EEG arousal
- MeSH terms
- Adult, Alpha Rhythm, Beta Rhythm, Brain, Delta Rhythm, Electroencephalography, Female, Humans, Male, Posture, Psychomotor Performance, Reference Values, Sleep Deprivation, Task Performance and Analysis, Theta Rhythm
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