locked-in syndrome

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locked-in syndrome (uncountable)

  1. (medicine, neurology) A rare, severe physical disorder in which a person cannot speak and is paralyzed—with the possible exception of some voluntary eye movement—while his or her mental faculties remain fully intact.
    • 1988, Ronald E. Cranford, "The Persistent Vegetative State: The Medical Reality (Getting the Facts Straight)," The Hastings Center Report, vol. 18, no. 1, p. 30,
      The locked-in syndrome is a medical condition in which, though both level and content of consciousness may be fairly normal, the patient is so severely paralyzed it may appear on superficial examination that he or she has diminished consciousness.