Phantom Sensations
From: Discover - May, 2002 - page 88

Vilayanur S. Ramacharan, a neuroscientist at the University of California at
San Diego is using phantom sensation techniques to help stroke patients
reclaim sensory awareness of numbed arms or legs that they've come to regard
as foreign objects. 

http://www.sciam.com/explorations/092396explorations.html
http://psy.ucsd.edu/chip/ramabio.html
http://www.edge.org/3rd_culture/bios/ramachandran.html