Scientists Create Illusion Of Having Three Arms

[Moontanman]

Scientists Create Illusion of Having Three Arms

 

Illusion set-up: Set-up used to elicit the supernumerary hand illusion (left panel) and an illustration of the threat procedure, where we moved a knife close to the rubber hand or the real hand (right panel). (Credit: Guterstam A, Petkova VI, Ehrsson HH. The Illusion of Owning a Third Arm. PLoS ONE, 6(2): e17208 DOI: 10.1371/journal.pone.0017208)

 

ScienceDaily (Feb. 23, 2011) — How we experience our own bodies is a classical question in psychology and neuroscience. It has long been believed that our body image is limited by our innate body plan -- in other words that we cannot experience having more than one head, two arms and two legs. However, brain scientists at the Swedish medical university Karolinska Institutet have now shown that it is possible to make healthy volunteers experience having three arms at the same time.

 

 

http://www.sciencedaily.com/releases/2011/02/110220142809.htm