The Use of an Electrophysiological Brain Function Index in the Evaluation of Concussed Athletes

The Journal of Head Trauma Rehabilitation
M Alison BrooksWilliam B Barr

Abstract

To evaluate the effectiveness of the electroencephalographic (EEG) Brain Function Index (BFI) for characterizing sports-related concussive injury and recovery. Three hundred fifty-four (354) male contact sport high school and college athletes were prospectively recruited from multiple locations over 6 academic years of play (244 control baseline athletes and 110 athletes with a concussion). Using 5 to 10 minutes of eyes closed resting EEG collected from frontal and frontotemporal regions, a BFI was computed for all subjects and sessions. Group comparisons were performed to test for the significance of the difference in the BFI score between the controls at baseline and athletes with a concussion at several time points. There was no significant difference in BFI between athletes with a concussion at baseline (ie, prior to injury) and controls at baseline (P = .4634). Athletes with a concussion, tested within 72 hours of injury, exhibited significant differences in BFI compared with controls (P = .0036). The significant differences in BFI were no longer observed at 45 days following injury (P = .19). Controls and athletes with a concussion exhibited equivalent BFI scores at preseason baseline. The concussive injury (measured with...Continue Reading

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Citations

Apr 30, 2020·Annual Review of Biomedical Engineering·Eric A NaumanPaul S Auerbach
Sep 28, 2018·Computers in Biology and Medicine·Arnaud JacquinLeslie S Prichep

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