Losing a limb is a frightening idea for most. But whether it's due to disease, injury, or just being born without one in the first place, sometimes it's inevitable. Life without an arm or leg isn't just a hard thing to think about; it's hard for the motor areas of the brain to deal with. That's why some amputees experience what's known as a "phantom limb" — the feeling that their limb is still there, even when it's not. Here's why it happens, and how it's teaching scientists more about how the brain operates.
Memories of Movement
Related Video: New Device Uses Phantom Limb Sensations to Control a Computer
How the Brain Responds
Written by Ashley Hamer March 12, 2019
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