Hands-free mobile phone speech while driving degrades coordination and control

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Title Hands-free mobile phone speech while driving degrades coordination and control
Author Treffner, Paul Jaak; Barrett, Rod
Journal Name Transportation Research: Part F: Traffic Psychology and Behaviour
Year Published 2004
Place of publication United Kingdom
Publisher Pergamon
Abstract Using a closed-circuit driving track environment, we investigated the influence of using a hands-free mobile (or cell) phone on various biomechanical and perceptual factors that underlie the control of driving. Results showed that in three tasks representative of everyday driving conditions, the perceptual control of action was compromised when compared to a control condition where no mobile phone conversation was present. While conversing, critical control actions related to braking were postponed on approach to a corner. During controlled braking, as when approaching a stationary car at a traffic light, the degree of braking was reduced and braking style was altered in a non-optimal manner. During an obstacle avoidance task, car dynamics were affected as a result of the conversation. Interpretation of the results is motivated by the ecological approach to perceptionaction and the theory of affordances. It is concluded that a driver's sensitivity to prospective information about upcoming events and the associated perception and awareness of what the road environment affords may both significantly be degraded when simultaneously using a hands-free mobile phone. Implications for intervention and policy are discussed.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.elsevier.com/wps/find/journaldescription.cws_home/600660/description#description
Copyright Statement Copyright 2004 Elsevier : Reproduced in accordance with the copyright policy of the publisher : This journal is available online - use hypertext links.
Volume 7
Page from 229
Page to 246
ISSN 1369-8478
Date Accessioned 2004-12-06
Language en_AU
Research Centre Menzies Health Institute Qld; Centre for Musculoskeletal Research
Faculty Faculty of Engineering and Information Technology
Subject Motor Control
URI http://hdl.handle.net/10072/5177
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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