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High school athletes with a history of motion sickness susceptibility exhibit higher baseline vestibular and ocular-motor scores than those without a history of motion sickness susceptibility.
To examine the effects of motion sickness susceptibility on baseline vestibular and ocular-motor functioning, neurocognitive performance, and symptom scores.
Preseason concussion testing.
PATIENTS OR OTHER PARTICIPANTS:
A convenience sample of high school athletes (N = 308, age = 15.13 ± 1.21 years) involved in a variety of sports.
MAIN OUTCOME MEASURE(S):
Vestibular/Ocular Motor Screening, computerized neurocognitive assessment, symptom scale, and Motion Sickness Susceptibility Questionnaire-Short Form (MSSQ-S).
Participants were categorized into 3 groups based on a median split of the scores (eg, NONE, LOW, and HIGH). The LOW (n = 95) and HIGH (n = 92) groups (ie, MSSQ-S score > 0) were 2.64 times more likely (χ21 257 = 7.94, P = .01, 95% confidence interval = 1.32, 5.26) to have baseline Vestibular/Ocular Motor Screening scores larger than the clinical cutoffs than the NONE group (n = 70). No between-group main effects were present for the NONE (n = 52), LOW (n = 89), and HIGH (n = 90) MSSQ-S groups for verbal (F2,230 = .09, P = .91, η2 = .001) and visual (F2,230 = .15, P = .86, η2 = .001) memory, processing speed (F2,230 = .78, P = .46, η2 = .007), or reaction time (F2,230 = 2.21, P = .11, η2 = .002). The HIGH group exhibited higher total baseline symptom scores than the LOW (U = 3325.50, z = -1.99, P = .05, r =.15) and NONE (U = 1647.50, z = -2.83, P = .005, r = .24) groups.
Motion sickness should be considered a preexisting risk factor that might influence specific domains of the baseline concussion assessment and postinjury management.