What question did this study set out to answer?

The study aims to quantify the effects of acceleration suppression on drivers' emotional states by analyzing ECG signals.

March 26, 2026Open Access

Effects of Automobile Acceleration Inhibition on Physiological Indices

Key Points

The study aims to quantify the effects of acceleration suppression on drivers' emotional states by analyzing ECG signals.
Utilized a driving simulator to measure ECG signals during varying levels of acceleration suppression.
Progressively increased the level of acceleration suppression in a controlled environment.
Analyzed physiological responses to assess drivers' emotional states under different suppression conditions.
Acceleration suppression does not increase stress levels in drivers.
The suppression may promote relaxation in specific driving scenarios.
No significant discomfort was reported in relation to the suppression effect.

Abstract

While suppressing sudden acceleration via a vehicle’s Eco mode contributes to improved fuel efficiency, it may also cause a sense of discomfort for the driver. Quantifying how this suppression affects drivers’ emotional states can contribute to enhancing drivability. In this study, we investigated the effects on electrocardiogram (ECG) signals when the level of acceleration suppression was progressively increased in a driving simulator. The results suggest that, on an infinitely long, grade-free straight road, acceleration suppression does not increase stress and may even promote relaxation.

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Cite This Study

Kaneko et al. (Wed,) studied this question.

synapsesocial.com/papers/69c4cc75fdc3bde448917c10 https://doi.org/https://doi.org/10.1299/jsmemecj.2025.j071p-22

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