Concussion decreases brain signal variability
Douglas H Schultz, Heather C. Bouchard, Bethany C. Barnwell, Nathan M. Muncy, Ramsey R. Wilcox, Cary R. Savage, Maital Neta, Aron K. Barbey
This study shows that concussion reduces BOLD signal variability in specific brain networks, linking it to symptom severity and cognitive decline.
bioRxiv · Nov 6, 2026 · PreprintNeuroscience