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consciousness (kon´shәs-nәs)   the state of being conscious.
  subjective awareness of the aspects of cognitive processing and the content of the mind.
  the current totality of experience of which an individual or group is aware at any time.
  conscious (def. 3).
 

levels of consciousness  an early freudian concept referring to the conscious, preconscious, and unconscious.
  the loosely defined states of awareness of and response to stimuli, often an integral component of the assessment of an individual's neurologic status. Levels of consciousness range from full consciousness (behavioral wakefulness, orientation as to time, place, and person, and a capacity to respond appropriately to stimuli) to deep coma (complete absence of response).





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