Brainwaves of mothers and children synchronize when playing together—even in an acquired language

Medical Xpress

February 18, 2026

Interbrain synchrony is the simultaneous activity of neural networks across the brains of people who are socially interacting—for example, talking, learning, singing, or working together. Having brains that are thus synchronized or "in tune" can help people boost their emotional connection, improve communication, and align their attention.