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Article Dans Une Revue Brain and Cognition Année : 2019

Hemodynamic responses to visual cues during attentive listening in autonomous versus manual simulated driving: A pilot study

Résumé

Emerging automation technologies could have a strong impact on the allocation of drivers' attentional resources. The first objective of this pilot study is to investigate the hemodynamic responses evoked to relevant visual stimuli in manual and autonomous driving. The second aim is to examine how the inclusion of a secondary task (attentive listening to a broadcast) modulates these hemodynamic responses in both driving situations. Frontal, temporo-parietal and occipital activations were recorded using a functional Near-InfraRed Spectroscopy (fNIRS) system. Event-related analysis was used to determine whether visual cue processing (specifically, the lighting of a lead vehicle's brake-lights) could induce different brain responses depending on the driving mode and on the presence or absence of a competing task. Mind-wandering as reported by the participants was more pronounced during autonomous compared to manual driving. Our results showed an increase in the OxyHb concentration in the right temporo-parietal and occipital areas during manual compared to autonomous driving, suggesting greater allocation of attentional resources for processing visual cues in the first condition. Finally, an event-related decrease in right frontal activity during autonomous driving when listening was observed, suggesting that attentional resources were more focused on the secondary task than on monitoring the driving scene.
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Dates et versions

hal-02271104 , version 1 (26-08-2019)

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Antonio R. Hidalgo-Munoz, Christophe Jallais, Myriam Evennou, Daniel Ndiaye, Fabien Moreau, et al.. Hemodynamic responses to visual cues during attentive listening in autonomous versus manual simulated driving: A pilot study. Brain and Cognition, 2019, 135, 8 p. ⟨10.1016/j.bandc.2019.103583⟩. ⟨hal-02271104⟩
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