http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2584055/

Ketamine as an adjuvant in sympathetic blocks for management of central sensitization following peripheral nerve injury
Rani A Sunder,1 Gokul Toshniwal,2 and GP Dureja3
1Asst Professor, Dept of Anaesthesiology, All India Institute of Medical Sciences, New Delhi, India
2Former Resident, Dept of Anaesthesiology, All India Institute of Medical Sciences, New Delhi, India
3Ex-Professor Dept of Anaesthesiology, All India Institute of Medical Sciences, Currently, Director – Delhi Pain Management Centre, New Delhi, India
Corresponding author.
Rani A Sunder: rani_kannan2000@yahoo.com; Gokul Toshniwal: grtosh@gmail.com; GP Dureja: dr_gpd@hotmail.com
Received July 1, 2008; Accepted October 25, 2008.

Research is also being done in Australia, Japan, Korea, Netherlands, UK, US, tons of places.

They are having success with mirror therapy, physical therapy, ECT, various infused medications and even, in some cases, surgery.

With the use of functional MRIs they can see the brain reversing back to a normal brain pattern. It is not usually a quick fix but it is possible!