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Awareness of errors is reduced by sleep loss
Johanna M Boardman1, Zachariah R Cross2, Michelle M Bravo1
1Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia.
Psychophysiology
|January 18, 2024
Summary
Sleep restriction, not total deprivation, impairs error awareness and detection. Chronic sleep loss may increase accident risk due to reduced recognition of mistakes.
Area of Science:
- Neuroscience
- Sleep Science
Background:
- Error processing is crucial for preventing negative outcomes of sleep loss.
- Neural correlates like ERN and Pe are known to be affected by sleep loss.
- Previous research lacked combined behavioral and EEG data on error awareness under sleep restriction.
Purpose of the Study:
- To investigate the impact of total sleep deprivation (TSD) and sleep restriction (SR) on behavioral error awareness and neural correlates (ERN, Pe).
- To examine the effects of different sleep loss paradigms on error detection and awareness.
Main Methods:
- Two studies utilized the Error Awareness Task with combined behavioral and EEG measures.
- Participants underwent conditions of TSD (n=14) and SR (n=27).
Main Results:
- TSD did not significantly affect behavioral error awareness or ERN/Pe amplitudes.
- SR led to reduced behavioral error awareness and increased error detection time.
- SR was associated with a reduction in Pe amplitude.
Conclusions:
- Chronic sleep restriction, unlike total sleep deprivation, impairs the ability to recognize errors.
- Reduced error awareness under sleep restriction may contribute to increased accidents and injuries in sleep-deprived populations.
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