@gethersno - Here's a patient story that you might find helpful about the BeST program.

"Three months after receiving her diagnosis, Elise participated in Mayo Clinic's Behavioral Shaping Therapy, or BeST, Program. An intensive, five-day course involving physical therapy, occupational therapy, psychiatry and speech therapy, the program restored Elise's ability to walk and talk."
-- Diagnosis and Treatment for a Mysterious Illness Turn Despair Into Hope:
https://newsnetwork.mayoclinic.org/discussion/diagnosis-and-treatment-for-a-mysterious-illness-turn-despair-into-hope/