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Autonomic hyperreflexia is a reaction of the autonomic (involuntary) nervous system to over-stimulation. This reaction may include high blood pressure, change in heart rate, skin color changes (pallor, redness, blue-grey coloration), and excessive sweating.
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Delirium tremens is a severe form of alcohol withdrawal that involves sudden and severe mental or neurological changes.
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Hallucinations involve sensing things that aren't there while a person is awake and conscious.
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Hallucinations are false or distorted sensory experiences that appear to be real perceptions. These sensory impressions are generated by the mind rather than by any external stimuli, and may be seen, heard, felt, and even smelled or tasted.
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Hallucinations - Gale Encyclopedia of Mental Disorders
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The creation of imaginary persons, objects, or events in response to a psychological need. Fantasy plays an important role in the lives of children, especially in their play.
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