Rachel Lensch

Papers

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About

Rachel Lensch is a researcher focused on the critical intersection of sports medicine, neuropsychology, and cognitive assessment methodology. Her work primarily addresses the validity and reliability of online concussion testing, with a specific emphasis on reaction time metrics. Lensch’s major contributions expose fundamental flaws in widely used digital assessment tools. Her most-cited paper, “Methodological Problems With Online Concussion Testing” (2020, 18 citations), systematically demonstrates how standard computerized platforms produce inconsistent data between concussed and non-concussed individuals. She further advanced this critique in “Visual vs. Tactile Reaction Testing Demonstrates Problems with Online Cognitive Testing” (2020, 11 citations), showing that visual-cue-based reaction time measures suffer from technical artifacts absent in tactile alternatives. Her third key paper, “An Accurate Measure of Reaction Time can Provide Objective Metrics of Concussion” (2020, 11 citations), argues that while reaction time can be an objective biomarker, consumer-grade hardware undermines its clinical utility. Collectively, Lensch’s work has been cited over 40 times, establishing her as a vital voice in improving the methodological rigor of remote neurocognitive assessments—a rapidly growing field with profound implications for athlete safety and clinical practice.