title: New ideas on how drivers perceive speed emerge from the fog.
abstract: Experiments with a driving simulator contradict previous results by showing that car drivers slow down in fog. However, other forms of reduced visibility can cause drivers to speed up.
authors.affiliation: is an  eLife  reviewing editor, and is in the  Brain and Mind Institute, Department of Psychology ,  University of Western Ontario ,  London ,  Canada .  jculham@uwo.ca.
authors.forename: Jody C
authors.initials: JC
authors.lastname: Culham
mesh_terms: D000063:Accidents, Traffic / Q000523:psychology*; D000328:Adult; D001334:Automobile Driving / Q000523:psychology*; D003198:Computer Simulation; D003654:Deceleration; D005260:Female; D006801:Humans; D008297:Male; D009039:Motion Perception / Q000502:physiology*; D011601:Psychophysics; D013028:Space Perception / Q000502:physiology*; D013647:Task Performance and Analysis; D014796:Visual Perception / Q000502:physiology*; D014887:Weather
keywords: driving simulation; human psychophysics; motion perception; virtual reality