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The extent to which the King-Devick Test and Sport Concussion Assessment Tool 3 Predict 3-Dimensional Multiple Object Tracking Speed

Objective: To determine the extent to which aspects of the Sport Concussion Assessment Tool 3 (SCAT3) or Child SCAT3 (C-SCAT3), and the King-Devick Test (KDT) predict Three-Dimensional Multiple Object Tracking (3D-MOT) speed. Participants: A sample of 304 healthy, non-concussed participants with a sporting history (101 females, 203 males) ranging in age from 7-29 years (mean age = 16.05 +/- 4.36) were included in the analysis. Methods: Participants completed the SCAT3, KDT and 3D-MOT in a single visit. Data Analysis: A regression analysis was performed to determine the extent to which aspects of the SCAT3 (immediate memory (IM), coordination (COOR), delayed recall (DR)), and the KDT predicted 3D-MOT speed. Results: Using the stepwise method, it was found that KDT, DR and COOR explain a significant amount of the variance in the speed of the 3D-MOT (F(3, 256)) = 11.82, p < .000 with an R2 = .12. The analysis shows that KDT (Beta = -0.01, p < .000), DR (Beta = 0.07, p < .02), and COOR (Beta = .23, p < .03), were significant predictors of 3D-MOT speed. Conclusions: This study suggests that the KDT, DR, and COOR significantly account for 12% of the 3D-MOT scores, however, there is a large portion of variability unaccounted for by the SCAT3 or C-SCAT3 and KDT. This shows that 3D-MOT likely accounts for central cognitive functions above and beyond the SCAT3 or C-SCAT3 and KDT. Future studies should examine this relationship at baseline, post-injury, and through concussion recovery. This could provide valuable information to better inform clinicians responsible for making return to play determinations. Keywords: Concussion, Mild Traumatic Brain Injury, 3D-MOT, King-Devick Test, Sport Concussion Assessment Tool 3, Child Sport Concussion Assessment Tool 3. / Graduate / 0769 / 0633 / 0566 / oslundk@uvic.ca

Identiferoai:union.ndltd.org:uvic.ca/oai:dspace.library.uvic.ca:1828/7751
Date26 January 2017
CreatorsOslund, Kimberly R.
ContributorsChristie, Brian R. (Brian Ross)
Source SetsUniversity of Victoria
LanguageEnglish, English
Detected LanguageEnglish
TypeThesis
RightsAvailable to the World Wide Web, http://creativecommons.org/licenses/by-nc-nd/2.5/ca/

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