Langdon, Patrick, Hwang, Faustina, Keates, Simeon ORCID: https://orcid.org/0000-0002-2826-672X, Clarkson, p. John and Robinson, Peter (2001) Investigating the Cursor Movement Parameters for Haptic Assistance of Motion-impaired Users. In: Integration of Assistive Technology in the Information Age: ICORR '2001, 7th International Conference on Rehabilitation Robotics. Assistive Technology Research Series, 9 . IOS Press, pp. 237-242. ISBN 978-1-58603-171-8 ISSN 1383-813X

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Abstract

Following a pilot study that suggested that force-feedback
gravity wells could, under certain conditions, lead to 20-
50% improvements in time to target in a selection task, a
series of experiments further investigated the potential for
enhancement of user interfaces for disabled computer users
by the use of haptic feedback modulated on the basis of
cursor position. Two experiments are reported examining
(1) the effect of size of attractive basins in adjacent targets
on time to target in a point and click selection task and (2)
the effect of presence of four different types of forcefeedback
channels between start point and target on times
to select a target. It was found that the presence of adjacent
attractive basins was not disruptive of navigation to target,
and that haptic force channels may only decrease times for
those with high degrees of impairment. Cursor trace
analysis suggested that the increased attraction force and
range counteracts the disruptive effect of inappropriate
cursor capture for the overlapping basins and that
inappropriate ballistic movements were suppressed by
channels for some of the impaired users but that channels
may have had no effect on overshoot errors in these cases.

Item Type:	Conference Proceedings
Title of Proceedings:	Integration of Assistive Technology in the Information Age: ICORR '2001, 7th International Conference on Rehabilitation Robotics
Additional Information:	[1] Acknowledgements (funding): This research is funded in part by the EPSRC, the Canadian Cambridge Trust, and NSERC.
Uncontrolled Keywords:	investigating cursor movement parameters haptic assistance of motion-impaired users, Medical Informatics, Medicine & Health, Rehabilitation & Assistive Technology
Subjects:	Q Science > QA Mathematics > QA75 Electronic computers. Computer science T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General)
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science
Related URLs:	Publisher Publisher
Last Modified:	14 Oct 2016 09:31
URI:	http://gala.gre.ac.uk/id/eprint/12980

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