> For the complete documentation index, see [llms.txt](https://cultural-physics.gitbook.io/n/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cultural-physics.gitbook.io/n/cultural-physics-wiki/transmission/collective-entrainment-and-heartstream-dynamics.md).

# Collective Entrainment and HeartStream Dynamics

The most significant discovery in transmission research is measurable physiological synchronization during shared cultural experiences