Amplitude without phase: interpersonal movement coordination grades inter-brain coupling
Noor Tasnim, Rachel M. Delauder, Mackenzie M. Aychman, Zachary Moore, Mary Gahagan, Jessica Purevtugs, Jesse Newpol, Ryan Frank, Grace Grizzell, Grace Nobriga, Sarah Rose, Julia C. Basso
The paper shows that inter-brain coupling during interpersonal movement coordination is characterized by fast-band amplitude-envelope coupling, not phase synchrony, and is predicted by movement synchrony.
bioRxiv · Sep 15, 2026 · PreprintNeuroscience