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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Sleep onset and maintenance depend on sleep-permissive and wake-promoting conditions such as posture.
“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]
Being in a supine position is a sleep-permissive condition, whereas being upright is a wake-promoting condition.
“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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Brain activity during a working memory task in different postures: an EEG study
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“, 2003), theta band (4–8 Hz) (Caldwell et al., 2003; Ferreira et al., 2006; Galliaud et al., 2008; Hoedlmoser et al., 2010) and delta band (Ferreira et al.”
BackgroundResultInfluentialResearch requirements for operational decision-making using models of fatigue and performance.
Friedl, K. E., Mallis, M. M., Ahlers, S. T., Popkin, S., & Larkin, W. D. (2004) · PubMed · Cited by 24 · see citing works
Sleeping Heart Monitoring Using Hydrogel-Textile Capacitive ECG Electrodes
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Effects of posture regulation on mood states, heart rate and test performance in children
Inagaki, K., Shimizu, T., & Sakairi, Y. (2018) · Educational Psychology · doi:10.1080/01443410.2018.1504003 · Cited by 21 · see citing works
“For example, a standing posture was found to increase EEG arousal relative to a sitting posture, which led to better performance on a psychomotor vigilance task (Caldwell et al., 2003).”
BackgroundEffects of 60 hours of total sleep deprivation on two methods of high-speed ship navigation
Gould, K. S., Hirvonen, K., Koefoed, V. F., R⊘ed, B. K., Sallinen, M., Holm, A., Bridger, R. S., & Moen, B. E. (2009) · Ergonomics · doi:10.1080/00140130903272611 · Cited by 21 · see citing works
“( 2000 , 2003 ) found that subjects exhibited stronger EEG-indices of sleepiness, as well as performing worse on a PVT-test, while working in a seated position compared to standing under TSD.”
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“[18] indicated improved reaction time in standing positions for sleep-deprived people, suggesting”
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Effects of a seat-integrated mobilization system during passive driver fatigue
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Large cognitive fluctuations surrounding sleep in daily living
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“Under sleep deprivation, altering body posture alone (from standing to sitting) is known to impact cognitive performance (Caldwell et al., 2003).”
BackgroundDifferences in the Effect of Sleep Deprivation on the Postural Stability among Men and Women
Ołpińska-Lischka, M., Kujawa, K., & Maciaszek, J. (2021) · International Journal of Environmental Research and Public Health · doi:10.3390/ijerph18073796 · Cited by 21 · see citing works
“In addition, other studies [35] noted that the subjects were more alert in standing position than sitting after 28 hours of sleep deprivation.”
BackgroundTraining for voluntarily increasing individual upper α power as a method for cognitive enhancement
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EEG dynamics reflects the partial and holistic effects in mental imagery generation
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“As well, the theta rhythm (4–8 Hz) recently has been implicated in encoding and retrieving information (Caldwell et al., 2003; Srinivasan, 2007).”
BackgroundFunctional imaging of inter-individual differences in response to sleep deprivation
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“To our knowledge, only three other studies apply a dual-task paradigm to improve cognitive function (Caldwell et al., 2003; Elliott et al., 2005; Barra et al., 2015), and this work is the only study that is based on the enactive paradigm.”
BackgroundResultAre subjective sleepiness and sleep quality related to prospective memory?
Böhm, M. F., Bayen, U. J., & Schaper, M. L. (2020) · Cognitive Research Principles and Implications · doi:10.1186/s41235-019-0199-7 · Cited by 13 · see citing works
“Lowered levels of arousal induced by body-posture manipulations are associated with worse sustained attention (Caldwell et al., 2003), which is why our predictions primarily concerned the prospective component of PM in our nonfocal PM task.”
Intelligent Machine Learning Based EEG Signal Classification Model
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Neurofeedback Training for Rifle Shooters to Improve Cognitive Ability
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“Other instructions such as fingers heating [22], abdominal breathing [23], expiration prolongation [24], position stability [25], forehead muscle relaxation [26], nice imagination [27] are given for the subjects to try to change the color of the robots from blue to red.”
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“Previous comparative research on body position has reported the positive influence of a standing position on various cognitive tasks (Britten et al., 2016; Caldwell et al., 2003; Isip, 2014; Mehta et al., 2015; Patston et al., 2017; Rosenbaum et al., 2017; Zhou et al., 2017).”
BackgroundThe effect of Ramadan intermittent fasting on dynamic postural control in judo athletes
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“Several studies have investigated the effects of sleep deprivation on postural control using center of pressure, center of pressure area, and center of pressure velocity as stabilometric indexes (Uimonen et al. 1994; Caldwell et al. 2003; Gribble & Hertel 2004).”
BackgroundComparison of Sleep Quality and Thermal Comfort for Innovative Mattress Design
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“Major movements such as position changed from lateral to supine [3] re-distributed load as a result of different bed temperature [1], and regulate body temperature [15].”
BackgroundInvestigating the Effects of Different Working Postures on Cognitive Performance
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BackgroundSitting position does not alter minimum alveolar concentration for desflurane
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Authentication with a one-dimensional CNN model using EEG-based brain-computer interface
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“Electroencephalography (EEG) data are challenging to work with since they are weak, prone to artifacts, patient-specific in terms of mood and posture, and have a poor signal-to-noise ratio (Caldwell et al. 2003).”
Saccadic Eye Movements Attenuate Postural Sway but Less in Sleep-Deprived Young Adults
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“, 2018) and attentional capacity (Caldwell et al., 2003), sleep-deprived adults might prevent the use of additional sensory cues in the eye-guided task or even not be able to synergistically couple eye movements and postural sway, resulting in overall postural control performance improvement.”
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“Because the space did not allow for chairs to be placed at the table, participants were asked to keep a consistent standing position when completing the assessment, as changes in posture can influence results [64].”
- 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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