There's an enlightening discussion interweaved with clinical examples on the power of chanting, synchronised rituals, theatre and Neurofeedback (among many othe

There's an enlightening discussion interweaved with clinical examples on the power of chanting, synchronised rituals, theatre and Neurofeedback (among many others) in treating trauma patients in The Body Keeps the Score by Bessel van der Kolk, which I highly recommend for going deeper into the points you mentioned.