Amputees Can Experience Prosthetic Hand As Their Own
succeeded in inducing people with an amputated arm to experience a prosthetic
rubber hand as belonging to their own body. The results can lead to the
development of a new type of touch-sensitive prosthetic hands
The illusion of having a rubber hand was achieved by the scientists by touching
the stump of the amputated arm out of sight of the subject while simultaneously
touching the rubber hand in full view of the same subject.
created the illusion that the sensory input was coming from the prosthetic hand
The effect was confirmed by the subjects’ own descriptions of the experience and
by their tendency to point to the hand when asked to localise the point of
stimulation
That they experienced the rubber hand as their own was also substantiated
physiologically in that they started to sweat when the hand was pricked with a
needle
“If this makes it possible to make a prosthetic sensitive by cheating the brain
important step towards better