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A new study challenges what we know about how amputation alters the human brain

By Jon Hamilton
Published August 21, 2025 at 1:20 PM PDT

Even years after a person has lost an arm, the brain faithfully maintains the circuits that once controlled the missing limb.

Copyright 2025 NPR
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Science
Jon Hamilton
Jon Hamilton is a correspondent for NPR's Science Desk. Currently he focuses on neuroscience and health risks.
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