Non-amputees experience ‘phantom limb’ sensation
"Our results show that the sight of a physical hand is remarkably unimportant to the brain for creating the experience of one's physical self," said the lead author of the study, Arvid Guterstam of Sweden's prestigious Karolinska Institute.
Phantom limbs can be distressing and painful for amputees, and drugs cannot help as the brain imagines the existence of a limb that is not there.
Guterstam said his team hoped the results of their study would help lead to future research on amputees' phantom pain.
The researchers conducted 11 different experiments creating a perceptual illusion so that volunteers with two