Hallucination
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A hallucination is when a person experiences something that is not really there. Hallucinations can affect all senses. The person might hear voices (like in Schizophrenia). They may also think they see things that are not there. The smelling and tactile (touching) sense seem to be affected less often.
Hallucinations people get when they fall asleep or wake up are common, and seem to be normal.
Hallucinations may occur as a side effect of the following:
- Use of mind-altering substances, like drugs.
- Not getting enough sleep.
- Diseases of the mind, like Psychosis or Schizophrenia.
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