Ruddle, R.A., Savage, J.C.D. and Jones, D.M. (2003) Levels of control during a collaborative carrying task. Presence: Teleoperators & Virtual Environments, 12 (2). pp. 140-155. ISSN 1054-7460
Abstract
Three experiments investigated the effect of implementing low-level aspects of motor control for a collaborative carrying task within a VE interface, leaving participants free to devote their cognitive resources to the higher-level components of the task. In the task, participants collaborated with an autonomous virtual human in an immersive virtual environment (VE) to carry an object along a predefined path. In experiment 1, participants took up to three times longer to perform the task with a conventional VE interface, in which they had to explicitly coordinate their hand and body movements, than with an interface that controlled the low-level tasks of grasping and holding onto the virtual object.
Experiments 2 and 3 extended the study to include the task of carrying an object along a path that contained obstacles to movement. By allowing participants' virtual arms to stretch slightly, the interface software was able to take over some aspects of obstacle avoidance (another low-level task), and this led to further significant reductions in the time that participants took to perform the carrying task. Improvements in performance also occurred when participants used a tethered viewpoint to control their movements because they could see their immediate surroundings in the VEs. This latter finding demonstrates the superiority of a tethered view perspective to a conventional, human'seye perspective for this type of task.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2003 The Massachusetts Institute of Technology. Reproduced in accordance with the publisher's self-archiving policy. |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Computing (Leeds) |
Depositing User: | Repository Assistant |
Date Deposited: | 29 Jun 2006 |
Last Modified: | 29 Oct 2016 17:07 |
Published Version: | http://dx.doi.org/10.1162/105474603321640914 |
Status: | Published |
Publisher: | MIT Press |
Refereed: | Yes |
Identification Number: | 10.1162/105474603321640914 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:1422 |