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Perceptual difficulty is one of the main explanations given for the behavioral modifications and high accident rate associated with driving in fog. The present study investigates how fog and the characteristics of vehicle rear lights affect distance perception. Two experiments in a fog chamber (meteorological visibility range of 5-15 m) were run under(More)
Detecting a pedestrian while driving in the fog is one situation where the prior expectation about the target presence is integrated with the noisy visual input. We focus on how these sources of information influence the oculomotor behavior and are integrated within an underlying decision-making process. The participants had to judge whether(More)
Perception of different color contrast stimuli was studied in the presence of light scattering: in a fog chamber in Clermont-Ferrand and in laboratory conditions where light scattering of similar levels was obtained, using different light scattering eye occluders. Blue (shortest wavelength) light is scattered in fog to the greatest extent, causing(More)
C1 modelling, based on structural and functional data, does not yet bring the different laboratories to a consensus on C1 activation, activity and associated controls. The heart of C1 beats in its subcomponent C1r2, which, from its domain structure and its twinning with subcomponent C1s, represents the challenge for the knowledge of C1. The 8-shaped model(More)
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