Skip to main content
An official website of the United States government
Español
NIH Websites Are Changing
Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

Lhermitte's sign

(layr-MEETZ ...)
A sensation similar to an electrical shock radiating from the back of the head down the spine as the neck is bent forward.
Search NCI's Dictionary of Cancer Terms