Gould, Mark, Poulter, Damian R. ORCID: https://orcid.org/0000-0003-2521-5959, Helman, Shaun and Wann, John P. (2013) Detection of vehicle approach in the presence of additional motion and simulated observer motion at road junctions. Journal of Experimental Psychology: Applied, 19 (2). pp. 171-184. ISSN 1076-898X (Print), 1939-2192 (Online) (doi:10.1037/a0033286)

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Abstract

One of the key contributory factors for accident involvement is the misjudgment of vehicle approach. Past research has indicated that individuals can use the rate of visual “looming” in order to judge the time to arrival (TTA) of approaching vehicles. Although a large number of road traffic collisions occur at roadside junctions, very little research has focused on individuals’ abilities to detect the onset of visual looming within a complex road scene at junction scenarios. In this research, computer generated scenes with photorealistic vehicle images, and a psychophysical staircase methodology, were used to explore drivers’ ability to detect the approach of both motorcycles and cars within a contextually rich city scene. Across three experiments the effect of additional vehicular and observer motion on driver detection of vehicle approach was assessed. Results showed that individuals were significantly poorer at detecting the approach of the motorcycle stimulus compared with the car stimulus. Results also showed that additional vehicular motion within the scene had a negative effect on detection thresholds for the car stimulus. Finally, the results showed that introducing lateral global motion of the scene, such as might occur if the observer was moving steadily forward from a junction, negatively affected detection thresholds. The theoretical implications of the findings are discussed, including how vehicles traveling at high speed are often below the threshold for detecting visual looming. Practical implications for road design and layout are discussed that address the perceptual errors noted. (PsycINFO Database Record (c) 2013 APA, all rights reserved)

Item Type:	Article
Uncontrolled Keywords:	perception, vision, looming, tau, motorcycle, conspicuity, time to arrival, time to contact, time to passage, driving
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:	Publisher
Last Modified:	14 Oct 2016 09:24
URI:	http://gala.gre.ac.uk/id/eprint/10108

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