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Scientists claim that ‘self’ can relocate to other bodies, or be made to include a third arm


 

Neoroscientists claim that the transference of one’s self to another body (as depicted here in the film ‘Metropolis’) is possible, on a psychological level


For millennia, philosophers have debated whether or not the self exists solely in the mind, the body, or both. Well, it’s unclear whether this will help clear things up or just muddy the waters further, but Swedish neuroscientists are now claiming that the human brain can add outside objects such as a third arm to one’s physical sense of self, and that people can even mentally project their “self” out of their own body and into someone else’s. If these findings hold up, the implications for virtual reality, robotics and prostheses could be substantial.

Experiments were performed at Stockholm’s Karolinska Institutet medical university, in which a highly-realistic prosthetic right arm was placed on a table beside human subjects’ own arms, so they could see all three. Scientists then simultaneously touched both the prosthetic arm and the subjects’ own right arms with a small brush, at the same location on both arms.

“What happens then is that a conflict arises in the brain concerning which of the right hands belongs to the participant’s body,” said Arvid Guterstam, one of the scientists conducting the research. “What one could expect is that only one of the hands is experienced as one’s own, presumably the real arm. But what we found, surprisingly, is that the brain solves this conflict by accepting both right hands as part of the body image, and the subjects experience having an extra third arm.”

 

http://www.gizmag.com/brain-capable-of-redefining-peoples-selves/17951/

 

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