Decoding the dynamic perception of risk and speed using naturalistic stimuli: A multivariate, whole-brain analysis.

ABSTRACT: Time-resolved decoding of speed and risk perception in car driving is important for understanding the perceptual processes related to driving safety. In this study, we used an fMRI-compatible trackball with naturalistic stimuli to record dynamic ratings of perceived risk and speed and investigated the degree to which different brain regions were able to decode these. We presented participants with first-person perspective videos of cars racing on the same course. These videos varied in terms of subjectively perceived speed and risk profiles, as determined during a behavioral pilot. During the fMRI experiment, participants used the trackball to dynamically rate subjective risk in a first and speed in a second session and assessed overall risk and speed after watching each video. A standard

SUBMITTER: Ju U 

PROVIDER: S-EPMC10941534 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature