Objective: Abnormal test scores are found even amongst cognitively healthy individuals (Schretlen et al., 2008), which could lead to a conclusion of impairments despite no functional deficits. Baseline evaluations for sport-related concussion offer the opportunity to examine individual variability in healthy children with no identified cognitive complaints. Method: Investigators administered a two-hour baseline neuropsychological battery assessing all cognitive domains to 45 children aged 8-16 who play sports considered high risk for sport-related concussion (i.e., soccer, football). Parents received a brief report of test results as compensation. Results: ‘Abnormal’ test scores were defined as those falling at least one standard deviation below the mean (per Schretlen et al., 2008). Thirty-three participants (73.3%) demonstrated at least one abnormal score. Twenty-five of those 33 (75.8%) had five or fewer abnormal scores, while eight (24.2%) had six...

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