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Neurophysiological Markers of Cognitive Failures in Drivers: An Electroencephalography Study
Zahra Sharifi1, Amir Pour Mohammadi2,3, Seyed Ruhollah Hosseini4
1Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran.
Basic and Clinical Neuroscience
|June 4, 2026
Summary
Electroencephalography (EEG) reveals distinct brainwave patterns in drivers with cognitive failures (CFs). Reduced delta, theta, and gamma activity in high-CF drivers may indicate impaired driving cognition.
Area of Science:
- Neuroscience
- Traffic Safety
- Cognitive Psychology
Background:
- Cognitive failures (CFs) are a significant factor in driving accidents.
- Electroencephalography (EEG) offers a method to explore neurophysiological underpinnings of cognitive function.
Purpose of the Study:
- To identify neurophysiological markers of cognitive failures in drivers using EEG.
- To differentiate brainwave patterns between drivers with high and low cognitive failures.
Main Methods:
- Thirty taxi drivers were categorized into high and low CF groups based on CFQ scores.
- EEG data were collected during resting state and a Go/No-Go task.
- Analysis involved t-tests, ANOVA, and correlation, focusing on lobe-specific brain activity.
Main Results:
- High-CF drivers exhibited reduced delta, theta, and gamma activity, especially in temporal and occipital lobes.
- Low-CF drivers showed increased delta, theta, and alpha power in frontal and occipital regions.
- Elevated parietal beta activity in high-CF drivers may suggest compensatory mechanisms, while overall gamma power was lower.
Conclusions:
- Specific EEG frequency bands can serve as objective markers for cognitive failures in drivers.
- Findings support early cognitive assessment for drivers.
- Results inform the development of evidence-based driving safety strategies.
