In this study, we investigated the longitudinal recovery trajectories of white-matter microstructures in collegiate athletes who sustained sports-related concussion (SRC). We use diffusion tensor imaging (DTI) to detect white-matter alterations in collegiate athletes longitudinally at four timepoints: 24-48 hours postinjury, the point at which asymptomatic (cleared for return-to-play), seven days following return-to-play, and six months postinjury. We are interested in the extent of white-matter abnormalities over time and whether the white-matter changes persist beyond the point when athletes are considered clinical recovered (i.e., with normal clinical assessments).
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