Why people see things that are not there: a novel Perception and Attention Deficit model for recurrent complex visual hallucinations.

@article{Collerton2005WhyPS,
  title={Why people see things that are not there: a novel Perception and Attention Deficit model for recurrent complex visual hallucinations.},
  author={Daniel Collerton and Elaine K. Perry and Ian G. McKeith},
  journal={The Behavioral and brain sciences},
  year={2005},
  volume={28 6},
  pages={
          737-57; discussion 757-94
        }
}
As many as two million people in the United Kingdom repeatedly see people, animals, and objects that have no objective reality. Hallucinations on the border of sleep, dementing illnesses, delirium, eye disease, and schizophrenia account for 90% of these. The remainder have rarer disorders. We review existing models of recurrent complex visual hallucinations (RCVH) in the awake person, including cortical irritation, cortical hyperexcitability and cortical release, top-down activation… CONTINUE READING

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