Anna Tommerdahl

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About

Anna Tommerdahl is a leading researcher in the intersection of sports neurology and cognitive assessment methodology, with a primary focus on improving the accuracy of concussion diagnostics. Her work critically examines the reliability of online reaction time testing, a cornerstone of modern concussion management. In her highly cited 2020 paper, "Methodological Problems With Online Concussion Testing" (18 citations), she exposed significant flaws in consumer-grade computer systems used for remote assessments, arguing that these tools often fail to distinguish concussed from non-concussed individuals with sufficient precision. Building on this, her follow-up study, "An Accurate Measure of Reaction Time can Provide Objective Metrics of Concussion" (11 citations), demonstrated that specialized, high-precision hardware can yield objective, reproducible metrics—paving the way for more reliable sideline and telehealth evaluations. Tommerdahl’s contributions are vital for athletes and clinicians alike, as she pushes the field toward evidence-based standards that prioritize data integrity over convenience. Her work has been instrumental in shaping best practices for post-concussion assessment, earning her recognition as a critical voice in sports medicine and cognitive neuroscience.