Beyond Neural Noise: Critical Dynamics Predict Slower Reaction Times in Adults With and Without ADHD
Alessandra Dallavecchia, Nicholas Zink, Samantha Reina O’Connell, Samantha Betts, Sean Noah, Austin Hilberg, Mercedes T. Oliva, James T. McCracken, Rory C. Reid, Gregory V. Simpson, Sarah L. Karalunas, Vince D. Calhoun, Agatha Lenartowicz
This study shows that neural dynamics shift toward criticality before slower responses in ADHD and control groups, suggesting structured variability, not random noise, underlies reaction-time variability.
bioRxiv · Mar 17, 2026 · PreprintNeuroscience