There are positive effects on PD symptoms from detachment of the self from body consciousness. I found a reduction of some PD symptoms like tremors, and intestinal rigidity.
We need a technique to practice detachment of awareness from body consciousness. Practice of soul consciousness is one way to detach from the body consciousness.
The other benefits of soul consciousness are peace, and bliss. It enables us to face situations fearlessly and calmly without anxiety and tensions. There may be other benefits such as healing, and better quality of life.
The following podcast gives an understanding of what soul consciousness is, and a way to practice it.
Parkinsons recovery on untrodden path 