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vegetative state


Definition: a clinical condition in which there is complete absence of awareness of the self and the environment, accompanied by sleep-wake cycles, but with either partial or complete preservation of hypothalamic and brainstem autonomic functions; may be transient or permanent. There are multiple causes, all involving the brain, including traumatic and nontraumatic injuries, metabolic and degenerative disorders, and congenital malformations.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.