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Relationship between Moral Values for Driving Behavior and Brain Activity: An NIRS Study.

Kaori Kawabata^1,2, Kazuki Fujita¹, Mamiko Sato^2,3

¹Graduate School of Health Science, Fukui Health Science University, Fukui 910-3190, Japan.

Healthcare (Basel, Switzerland)

|November 11, 2022

Summary

Drivers with lower moral values exhibit reduced prefrontal cortex activity during risky driving tasks. This suggests impaired moral emotion processing in risky driving scenarios for these individuals.

Keywords:

brain activity driving behavior healthy driver moral value near-infrared spectroscopy

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Area of Science:

Neuroscience
Moral Psychology
Traffic Safety

Background:

Risky driving behavior has significant moral implications, yet the link between moral values and driving conduct is understudied.
Understanding the neural basis of moral decision-making in driving is crucial for developing effective interventions.

Purpose of the Study:

To investigate the relationship between individuals' moral values concerning driving behavior and their brain activity.
To explore how moral emotions are processed in the brain during risky driving scenarios.

Main Methods:

A questionnaire assessed moral values related to driving in 20 healthy participants.
Near-infrared spectroscopy (NIRS) measured brain activity while participants engaged in simulated driving tasks.
Participants were categorized into high and low moral value groups for comparative analysis.

Main Results:

Both groups showed decreased prefrontal cortex activity during risky driving tasks.
The low moral value group exhibited significantly lower activity in the left dorsolateral prefrontal cortex compared to the high moral value group.
Reduced activity in the right dorsolateral prefrontal cortex was observed during risky versus safe driving tasks in the low moral group.
All participants demonstrated reduced susceptibility to moral emotions during risky driving, with the low moral group showing even greater insusceptibility.

Conclusions:

Moral values significantly influence brain activity patterns during risky driving.
Drivers with lower moral values may have diminished neural responses to moral emotions in high-risk driving situations.
These findings highlight the importance of moral cognition in understanding and mitigating risky driving behaviors.