The Butterfly Technique
A Trauma Psychologist I met in Port Au Prince told me of a technique called “The Butterfly Technique” whereby you cross your arms over your chest, resting your hands below your shoulders and tap your fingers. It apparently activates both sides of your brain and calms the nervous system. If you try it out it actually is very calming. This Down syndrome boy seemed to have a natural understanding of this phenomenon as he unconsciously poses like this for me.