Neural, vascular, immune, and metabolic routes—each with its own evidence.
CONNECTION ATLAS 01 / 18
Conceptual artwork · The pathways are illustrative, not anatomical nerve routes
Neural connection · Heart to brain
Can your heartbeat shape how you feel?
The conversation travels both ways. Cardiovascular signals contribute to the brain’s representation of our internal state, while the brain continually adjusts cardiac activity.
WHAT TO KEEP IN VIEW
That experiment does not show that a faster heartbeat alone causes anxiety in humans, or establish a treatment for anxiety.