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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 profuse sweating.
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Delirium tremens is a disorder involving sudden and severe mental changes ( psychosis ) or neurologic changes (including seizures ) caused by abruptly stopping the use of alcohol. Rapid pulse rate, elevated blood pressure, and temperature elevation also may be present.
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Hallucinations are sensory perceptions that are unrelated to outside events -- in other words, seeing or hearing things that aren't there.
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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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