Phantom limb phenomenon

An individual s body image may be very stable. An intriguing example of this is the phantom limb phenomenon, when an arm or a leg is amputated, the patient almost always reports he can still feel the... 

An individual s body image may be very stable. An intriguing example of this is the phantom limb phenomenon. When an arm or a leg is amputated, the patient almost always reports he can still feel the limb, even though he can see and otherwise intellectually know it is not there. Sensations coming in from the severed nerve tracts are nonconsciously organized in the learned, habitual way so that the patient perceives the limb as still there. Most patients soon lose perception of their phantom limbs as they are subjected to considerable social pressure to do so. In some, however, the phantom limb persists in spite of all attempts to unlearn it. The sensations may or may not be painful. 

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