II. Exam: Levels

  1. Alert
  2. Clouded
  3. Somnolent
  4. Lethargy: Drowsiness
  5. Stupor: Responsive only to vigorous stimulation
  6. Coma: Unarousable to verbal or physical stimuli

III. Exam: Other states of unresponsiveness (may appear to be awake)

  1. Abulic state: Akinetic mutism
  2. Locked in syndrome
  3. Psychogenic unresponsiveness

V. Evaluation: Scales

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