When Dr. Levesque first released information about his autonomous cell im plants [taken during a DBS and stored - later inserted - his patient showed considerable improvement symptom wise but no higher dopamine levels when measured. In an interview on GRC and Travels with Parkinson's internet radio show, Dr. Levesque was asked what he thought was causing the improvement if Dopamine levels were not increased He suspected it was GABA.

oldie but goodie, i never forgot that statement.
paula