Is Simple Reaction Time a Good Sideline Test for Diagnosing Concussions?
No. Although simple reaction time using the drop-stick test and computerized reaction time are both prolonged compared with baseline in athletes diagnosed with concussions, the sensitivity and specificity of these tests alone are not sufficient to diagnose or exclude concussions (SOR: B, prospective cohort study and prospective observational studies).
Lick D, Khemraj R. Is simple reaction time a good sideline test for diagnosing concussions?, Evidence-Based Practice. 2021 Dec;24(12):16-17 doi: 10.1097/EBP.0000000000001337