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Automating driver visual behavior measurement
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology.
2012 (English)In: Vision in Vehicles IX: Proceedings of 9th International Conference on Vision in Vehicles / [ed] Gale, Alastair G.: Bloomfield, John: Underwood, Geoffrey: Wood, Joanne, 2012Conference paper (Other academic)
Place, publisher, year, edition, pages
National Category
Social Sciences
URN: urn:nbn:se:uu:diva-93871ISBN: 978-0-9571266-1-9OAI: oai:DiVA.org:uu-93871DiVA: diva2:167497
9th International Conference on Vision in Vehicles, Loughborough University UK, 2012
Available from: 2005-12-15 Created: 2005-12-15 Last updated: 2013-07-24Bibliographically approved
In thesis
1. Keeping Eye and Mind on the Road
Open this publication in new window or tab >>Keeping Eye and Mind on the Road
2005 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis is devoted to understanding and counteracting the primary contributing factor in traffic crashes: inattention. Foremost, it demonstrates the fundamental importance of proactive gaze in the road centre area for action guidance in driving. Inattention is explained with regard to two visual functions (vision-for-action and vision-for-identification), three forms of attentional selection (action-driven-, stimulus-driven-, and goal-directed attention), and two forms of prediction influences (extrapolation-based- and decision-based prediction influences). In Study I an automated eye-movement analysis method was developed for a purpose-built eye-tracking sensor, and was successfully validated. This analysis method was further developed, and several new measures of gaze concentration to the road centre area were created. Study II demonstrated that a sharp decrease in the amount of road centre viewing time is accompanied by a dramatic spatial concentration towards the road centre area in returning gaze during visual tasks. During cognitive tasks, a spatial gaze concentration to road centre is also evident; however contrary to visual tasks, road centre viewing time is increased because the eyes are not directed towards an object within the vehicle. Study III found that gaze concentration measures are highly sensitive to driving task demands as well as to visual and auditory in-vehicle tasks. Gaze concentration to the road centre area was found as driving task complexity increased, as shown in differences between rural curved- and straight sections, between rural and motorway road types, and between simulator and field motorways. Further, when task duration was held constant and the in-vehicle visual task became more difficult, drivers looked less at the road centre area ahead, and looked at the display more often, for longer periods, and for more varied durations. In closing, it is shown how this knowledge can be applied to create in-vehicle attention support functions that counteract the effects of inattention.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2005. 83 p.
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Social Sciences, ISSN 1652-9030 ; 9
Psychology, Vision, Eye-movements, Driving, Attention, Distraction, Ventral stream, Dorsal stream, Road safety, Traffic crashes, Evaluation methodology, Psykologi
National Category
urn:nbn:se:uu:diva-6241 (URN)91-554-6425-4 (ISBN)
Public defence
2006-01-20, Sal X, Universitetshuset, Uppsala, 13:00
Available from: 2005-12-15 Created: 2005-12-15Bibliographically approved

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