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Conference Paper: Effect of travel speed on visual control of steering toward a goal

TitleEffect of travel speed on visual control of steering toward a goal
Authors
Issue Date2013
PublisherPion Ltd.. The Journal's web site is located at http://www.perceptionweb.com
Citation
The 36th European Conference on Visual Perception (ECVP 2013), Bremen, Germany, 25-29 August 2013. In Perception, 2013, v. 39 n. 1 suppl., p. 51, abstract no. 87 How to Cite?
AbstractWe systematically examined the effect of travel speed on the control of steering toward a goal. The display (113°H×89°V) simulated a participant traveling at 2m/s, 8m/s, or 15m/s over a textured ground plane. Participants used a joystick to control the curvature of their path of forward travel to steer toward a target. Across 16 participants, when target egocentric direction cue was unavailable thus participants had to rely on optic flow alone for steering, participants steered to align their heading but not their path of forward travel with the target at all travel speeds tested. Furthermore, the mean last sec heading error and the mean steering delay decreased as travel speed increased. When target egocentric direction was available for steering but was offset from the heading specified by optic flow, participants’ steering was affected by the offset target egocentric direction at all travel speeds tested. Furthermore, the last sec heading error decreased but the mean steering delay increased as travel speed increased. We conclude that while people are increasingly more accurate and efficient in using optic flow for steering when travel speed increases, high-speed travel does not affect the type of visual strategy used for the control of steering toward a goal.
DescriptionPosters: Biological Motion, Perception and Action
This journal suppl. entitled: ECVP Abstract 2013
Persistent Identifierhttp://hdl.handle.net/10722/187053
ISSN
2015 Impact Factor: 0.917
2015 SCImago Journal Rankings: 0.518

 

DC FieldValueLanguage
dc.contributor.authorLi, Len_US
dc.contributor.authorChen, Ren_US
dc.contributor.authorNiehorster, DCen_US
dc.date.accessioned2013-08-20T12:28:43Z-
dc.date.available2013-08-20T12:28:43Z-
dc.date.issued2013en_US
dc.identifier.citationThe 36th European Conference on Visual Perception (ECVP 2013), Bremen, Germany, 25-29 August 2013. In Perception, 2013, v. 39 n. 1 suppl., p. 51, abstract no. 87en_US
dc.identifier.issn0301-0066-
dc.identifier.urihttp://hdl.handle.net/10722/187053-
dc.descriptionPosters: Biological Motion, Perception and Action-
dc.descriptionThis journal suppl. entitled: ECVP Abstract 2013-
dc.description.abstractWe systematically examined the effect of travel speed on the control of steering toward a goal. The display (113°H×89°V) simulated a participant traveling at 2m/s, 8m/s, or 15m/s over a textured ground plane. Participants used a joystick to control the curvature of their path of forward travel to steer toward a target. Across 16 participants, when target egocentric direction cue was unavailable thus participants had to rely on optic flow alone for steering, participants steered to align their heading but not their path of forward travel with the target at all travel speeds tested. Furthermore, the mean last sec heading error and the mean steering delay decreased as travel speed increased. When target egocentric direction was available for steering but was offset from the heading specified by optic flow, participants’ steering was affected by the offset target egocentric direction at all travel speeds tested. Furthermore, the last sec heading error decreased but the mean steering delay increased as travel speed increased. We conclude that while people are increasingly more accurate and efficient in using optic flow for steering when travel speed increases, high-speed travel does not affect the type of visual strategy used for the control of steering toward a goal.-
dc.languageengen_US
dc.publisherPion Ltd.. The Journal's web site is located at http://www.perceptionweb.com-
dc.relation.ispartofPerceptionen_US
dc.titleEffect of travel speed on visual control of steering toward a goalen_US
dc.typeConference_Paperen_US
dc.identifier.emailLi, L: lili@hku.hken_US
dc.identifier.authorityLi, L=rp00636en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1177/03010066130420S101-
dc.identifier.hkuros218527en_US
dc.identifier.volume39-
dc.identifier.issue1 suppl.-
dc.identifier.spage51, abstract no. 87-
dc.identifier.epage51, abstract no. 87-
dc.publisher.placeUnited Kingdom-

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