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Sit still and pay attention: Using the Wii Balance-Board to detect lapses in concentration in children during psychophysical testing

Jones, PR; (2019) Sit still and pay attention: Using the Wii Balance-Board to detect lapses in concentration in children during psychophysical testing. Behavior Research Methods , 51 (1) pp. 28-39. 10.3758/s13428-018-1045-4. Green open access

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Abstract

During psychophysical testing, a loss of concentration can cause observers to answer incorrectly, even when the stimulus is clearly perceptible. Such lapses limit the accuracy and speed of many psychophysical measurements. This study evaluates an automated technique for detecting lapses based on body movement (postural instability). Thirty-five children (8-11 years of age) and 34 adults performed a typical psychophysical task (orientation discrimination) while seated on a Wii Fit Balance Board: a gaming device that measures center of pressure (CoP). Incorrect responses on suprathreshold catch trials provided the "reference standard" measure of when lapses in concentration occurred. Children exhibited significantly greater variability in CoP on lapse trials, indicating that postural instability provides a feasible, real-time index of concentration. Limitations and potential applications of this method are discussed.

Type: Article
Title: Sit still and pay attention: Using the Wii Balance-Board to detect lapses in concentration in children during psychophysical testing
Open access status: An open access version is available from UCL Discovery
DOI: 10.3758/s13428-018-1045-4
Publisher version: http://dx.doi.org/10.3758/s13428-018-1045-4
Language: English
Additional information: © The Author(s) 2018. Open Access: This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Keywords: Attentiveness, Catch trials, Center of pressure, Children, Concentration, Lapse rates, Postural instability, Psychophysics, Receiver operating characteristic, Task engagement, Test development, Wii Fit Balance Board
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Institute of Ophthalmology
URI: https://discovery.ucl.ac.uk/id/eprint/10054212
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