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Errors in motion processing amongst older drivers may increase accident risk

Errors in motion processing amongst older drivers may increase accident risk

Poulter, Damian R. ORCID: 0000-0003-2521-5959 and Wann, John P. (2013) Errors in motion processing amongst older drivers may increase accident risk. Accident Analysis & Prevention, 57. pp. 150-156. ISSN 0001-4575 (doi:https://doi.org/10.1016/j.aap.2013.03.031)

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Abstract

Accident statistics highlight that older drivers are more frequently involved in right-of-way collisions than younger drivers. Accurately gauging vehicle speed is critical for judgement of when to pull out from a junction safely in front of oncoming traffic. We used psychophysical methods to measure drivers’ ability to discriminate between different rates of looming presented by vehicles approaching at different speeds. We demonstrate that sensitivity to approach speed reduces by between 2.8 and 3.4 mph, dependent upon vehicle type, for every decade that age increases. We show that perceptual limitations for drivers over the age of 75 years can lead to a 50% reduction in time available to perform traffic manoeuvres, which may contribute in part to their overrepresentation in casualty statistics at junction. Results are discussed in terms of implications for road safety policy.

Item Type: Article
Uncontrolled Keywords: vision, looming, ageing, road, safety, time-to-contact, tau, perception, older drivers
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Pre-2014 Departments: School of Health & Social Care
School of Health & Social Care > Applied Psychology Research Group
Related URLs:
Last Modified: 14 Oct 2016 09:24
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/10109

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