Scientists create illusion of having three arms
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.In a paper published today in the online scientific journal PLoS ONE they describe how it is possible to create an illusion of owning three arms,