Aim: A small but notable number of individuals who suffer a concussion report ongoing cognitive difficulties. This preliminary study investigated the efficacy of repetitive test application to discern cognitive impairment in those with ongoing symptoms. Methods: Participants (n = 17) with continuing self-reported symptoms following a concussion (∼9 months postinjury) were compared with 17 age group matched controls for working memory and word-list learning. Results: Both groups performed similarly after the first trial for both assessments. However, in subsequent trials, the postconcussion group performed significantly worse than controls. Discussion: While further studies to understand the mechanisms are warranted, data from this preliminary study suggest that a repetitive test application may be useful to discern cognitive fatigue in individuals who report ongoing concerns following a concussion.
CITATION STYLE
Rau, T. F., Patel, S. A., Guzik, E. E., Sorich, E., & Pearce, A. J. (2017). Efficacy of a repeat testing protocol for cognitive fatigue assessment: A preliminary study in postconcussive syndrome participants. Concussion, 2(4). https://doi.org/10.2217/cnc-2017-0002
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