Definitions for unconsciousness

This page provides all possible meanings and translations of the word unconsciousness

Princeton's WordNet

  1. unconsciousness(noun)

    a state lacking normal awareness of the self or environment


  1. unconsciousness(Noun)

    The state of lacking consciousness, of being unconscious

  2. unconsciousness(Noun)

    ignorance or innocence; the state of being uninformed or unaware

U.S. National Library of Medicine

  1. Unconsciousness

    Loss of the ability to maintain awareness of self and environment combined with markedly reduced responsiveness to environmental stimuli. (From Adams et al., Principles of Neurology, 6th ed, pp344-5)


  1. Loss Of Consciousness

    Unconsciousness is a state which occurs when the ability to maintain an awareness of self and environment is lost, it involves a complete or near-complete lack of responsiveness to people and other environmental stimuli. Loss of consciousness should not be confused with the notion of the psychoanalytic unconscious or cognitive processes that take place outside of awareness, and with altered states of consciousness, such as delirium, normal sleep, hypnosis, and other altered states in which the person responds to stimuli. Unconsciousness may occur as the result of traumatic brain injury, brain hypoxia, severe poisoning with drugs that depress the activity of the central nervous system, severe fatigue, and other causes. There is a theory that unconsciousness occurs when different regions of the brain inhibit one another.

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