When your own hand develops a mind of its own

The Curious Case of Alien Hand Syndrome · 5:21 · Video: Today I Found Out · Watch at the source

In short: Modern medicine has mapped the human genome, yet certain neurological puzzles remain unsolved. This video explores alien hand syndrome, a condition where a person's hand acts independently of their will.

Alien hand syndrome represents a frontier in neurology where the brain's control over the body falters. Sufferers often experience one of their hands—typically the non-dominant one—performing actions as if it possesses its own independent consciousness. While medical science has achieved massive milestones like mapping the human genome, this phenomenon remains a complex puzzle that continues to elude full scientific understanding.

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