I’ve knnown for years about http://www.heartmath.org/ and their findings. It’s an amazing thing thy’ve discovered: http://www.heartmath.org/about-us/our-focus/science-research.html
"The key research categories contained in the library are:
Emotional physiology
Heart-brain interactions
Development and testing of positive emotion-focused tools, techniques, technology and programs
Educational intervention studies
Workplace intervention studies
Treatment outcome studies in clinical populations
Heart-rate variability and autonomic function
Emotional energetics
Intuition
Global coherence
"
The most important of all is that the heart is the boss and it makes a biomagnetic field with a wide range.
They have free webinars from time to time, here’s the next one: http://www.heartmath.org/templates/ihm/email/webinar/2012/autism-revolution/webinar-online.php?mtcCampaign=-1&mtcEmail=14976534