The HeartMath System is a set of scientifically validated techniques and technologies developed by the Institute of HeartMath to help individuals achieve coherence between their heart and brain. This coherence is associated with improved emotional regulation, reduced stress, enhanced intuition, and boosted immune function. Resources and information are available on their website.
I don't know if you've had any of the folks from the Institute of Heart Math. Uh it's a pioneering research organization Northern California.
""The 'Institute of Heart Math' is discussed as a pioneering research organization that developed 'techniques' and the 'ability to create coherence' between the heart and brain. The speaker also provides their website 'www.heartmath.org' for free information, implying a purchasable system or program behind the free resources."