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The Babinski sign is a reflex that happens when the bottom of a persons foot is stroked and the big toe curls up in response. This reflex is usually present in babies for the first 6 or so months of their life and goes away once a certain group of nerves running from the brain to muscles in the lower limbs is fully developed and functions to block the Babinski reflex.

The Babinski can reoccur in people if this group of nerves gets damaged and is not able to block this reflex anymore. Strokes, aneurysms, and tumors are some things that can cause this.

Bilateral just means that the reflex is present in both feet.

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15y ago

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