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Speed perception affected by field of view: Energy-based versus rhythm-based processing
Linköping University, Department of Behavioural Sciences and Learning, Psychology. Linköping University, Faculty of Arts and Sciences.
Karlstad Univ, Sweden.
Swedish Natl Rd and Transport Res Inst, SE-58195 Linkoping, Sweden.
2019 (English)In: Transportation Research Part F: Traffic Psychology and Behaviour, ISSN 1369-8478, E-ISSN 1873-5517, Vol. 65, p. 227-241Article in journal (Refereed) Published
Abstract [en]

Two experiments were carried out to test speed perception dependency on field of view (FoV), virtual road markings (VRMs), and presentation orders. The primary purpose was to examine how the extent of the optic flow (foremost peripherally-vertically) informs the driver about egospeed. A second purpose was to examine different task demands and stimulus characteristics supporting rhythm-based versus energy-based processing. A third purpose was to examine speed changes indicative of changes in motion sensitivity. Participants were tested in a car simulator, with FoV resembling low front-door windows, and with VRMs inside the car. Three main results were found. Larger FoV, both horizontally and peripherally-vertically, significantly reduced participants speed, as did VRMs. Delineator posts and road center lines were used for participants rhythm-based processing, when the task was to drive at target speeds. Rich motion-flow cues presented initially resulted in lower egospeed in subsequent conditions with relatively less motion-flow cues. The practical implication is that non-iconic, naturalistic and intuitive interfaces can effectively instill spontaneous speed adaptation in drivers. (C) 2019 The Authors. Published by Elsevier Ltd.

Place, publisher, year, edition, pages
ELSEVIER SCI LTD , 2019. Vol. 65, p. 227-241
Keywords [en]
Speed perception; Egospeed; Optic flow; Velocity estimation; Field of view
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:liu:diva-161634DOI: 10.1016/j.trf.2019.07.016ISI: 000491217600018OAI: oai:DiVA.org:liu-161634DiVA, id: diva2:1367878
Note

Funding Agencies|Swedish Foundation for Humanities and Social Sciences [RMP141072]

Available from: 2019-11-05 Created: 2019-11-05 Last updated: 2019-11-05

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  • harvard1
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  • de-DE
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