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Assessing the Effectiveness of Increased FIO2for Enhancing Driver's Activation State Using Simulated Monotonous
T Yamakoshi1, K Yamakoshi, M Nogawa
1Faculty of Engineering, Fukui University, Fukui, Japan.
Summary
Increased inspired oxygen fraction (F
Area of Science:
- Human Factors
- Physiology
- Automotive Safety
Background:
- Monotonous driving conditions can lead to a decrease in driver activation state (AS), increasing accident risk.
- Developing in-car systems to maintain driver alertness is crucial for road safety.
Purpose of the Study:
- To investigate the effect of increased inspired oxygen fraction (F
I O2 ) on a driver's activation state (AS). - To assess the potential of a "Biofeedback System" to promote active driving and enhance safety.
Main Methods:
- Simulated monotonous driving task.
- Application of increased F
I O2 stimulus. - Measurement of physiological responses, including beat-by-beat blood pressure (BP), to derive an index of AS.
- Assessment of autonomic activity balance.
Main Results:
- Increased F
I O2 stimulus was effective in enhancing the driver's AS. - Physiological measurements confirmed the positive effect on AS.
- Autonomic activity balance improved, indicating enhanced alertness.
- Longer periods of active and safer driving were observed.
Conclusions:
- Increased inspired oxygen fraction (F
I O2 ) is a viable method to enhance driver activation state (AS). - The "Biofeedback System" utilizing F
I O2 shows promise for improving driving safety by maintaining alertness. - This approach contributes to the development of active driving environments and accident risk reduction.

