Accuracy of the SWAY mobile cognitive assessment application

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Authors
VanRavenhorst-Bell, Heidi A.
Muzeau, Melissa A.
Luinstra, Lindsay
Goering, Jared
Amick, Ryan Zackary
Issue Date
2021
Type
Article
Language
en_US
Keywords
Mobile device , Reaction time , Cognitive assessment , Sway app , Impact QT
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Abstract

Background Mobile electronic devices have become integral tools in addressing the need for portable assessment of cognitive function following neurocognitive/motor injury. SWAY Medical, Inc., has employed mobile device motion-based technology in the SWAY Cognitive Assessment (SWAY CA) application to assess cognitive function. Purpose The purpose of this study was to assess whether the SWAY CA application (reaction time, impulse control and inspective time) was able to reliably operate on different mobile devices and operating systems (iOS, Android). The study further sought to assess the validity of the SWAY CA application against the FDA approved ImPACT QT mobile device application. Study Design Original Research, observational study of validity. Methods 88 healthy, young adults, 18 to 48 years (mean= 22.09 ± sd=4.47 years) completed four, randomized and counter-balanced, reaction time tests (2- SWAY RT, 2- ImPACT QT) using different operating systems (iOS, Android) of 4 randomly assigned mobile devices. Results ANOVAs reported the SWAY CA application (reaction time, impulse control, inspection time) operated reliably with iPhone 6S, Samsung Galaxy S9, and iPad Pro 5 mobile devices (p > 0.05), respectively. Google Pixel 3 reliability with SWAY CA application remains undetermined. SWAY CA simple reaction motion measures were in agreement (r = -0.46 to 0.22, p ≤ 0.05) with several ImPACT QT reaction time measures. SWAY CA impulse control and inspection time measures are weakly correlated (r = -0.25 to -0.46, p ≤ 0.05) with five ImPACT QT reaction time measures. Conclusion The motion-based SWAY CA mobile device application appears to reliably operate when being administered on different mobile devices and software operating systems. Furthermore, the SWAY CA application appears to be comparable to the ImPACT QT and serve as a valid tool for assessing reaction time measures.

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This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CCBY-NC-SA-4.0). View this license’s legal deed at https://creativecommons.org/licenses/by-nc-sa/4.0 and legal code at https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode for more information.
Citation
Vanravenhorst-Bell, H. A., Muzeau, M. A., Luinstra, L., Goering, J., & Amick, R. Z. (2021). Accuracy of the SWAY mobile cognitive assessment application. International Journal of Sports Physical Therapy, 16(4), 991-1000. doi:10.26603/001c.24924
Publisher
North American Sports Medicine Institute
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21592896
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