Phantom limb sensations are a result of the brain's attempts to make sense of sensory input from "summary" of Phantoms in the Brain by V. S. Ramachandran
Phantom limb sensations are a fascinating phenomenon that occurs in amputees, where they continue to feel the presence of their missing limb. This can range from feelings of itching, pain, or even the sensation of the limb being in a certain position. But how can this be possible when the limb is no longer there? The answer lies in the brain's remarkable ability to adapt and reorganize itself. When a limb is amputated, the brain's representation of that limb in the somatosensory cortex does not simply disappear. Instead, neighboring areas of the brain begin to take over the function of the missing limb. This reorganization can lead to cross-wiring between different areas of the brain, causing sensory signals from one part of the bod...
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