locked-in syndrome

noun

Medical Definition of locked-in syndrome

: the condition of an awake and conscious patient who because of motor paralysis throughout the body is unable to communicate except possibly by coded eye movements Trapped in their own bodies, the people who suffer from what is sometimes called locked-in syndrome are lucky if they can communicate their needs with a blink or a raised eyebrow.Discover, February 1999 The locked-in syndrome results from brainstem lesions which disrupt the voluntary control of movement without abolishing either arousal or the content of awareness.— Adam Zeman, The Lancet, 13 Sept. 1997

Learn More About locked-in syndrome

Dictionary Entries Near locked-in syndrome

locked-in

locked-in syndrome

lockjaw

See More Nearby Entries 

Cite this Entry

“Locked-in syndrome.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/locked-in%20syndrome. Accessed 1 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Name that Thing: Flower Edition

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!