Summary
Neuroscience expert: Resting-state neural firing rate is linked to cardiac cycle duration. The study was published in the journal Nature Neuroscience. The author also wrote a book about the study. The book, The Brain in a Box, was published by Simon & Schuster.
Awesome that worked!
This makes a lot of sense that the heart would talk back based on what we know of how guy health affects mental health. Pretty crazy how they proved it with heartbeat changes.