“Human brain may be designed to give us hallucinations, scientists say”

Cool article…http://ind.pn/1QnIYof

“Visions and sounds that do not exist can be generated by the brain’s habit of predicting what it expects to experience, filling in missing gaps in reality, the research shows.   It is this ability that allows you to recognise a fast-moving black shape in your living room as the cat, even though it was little more than a blur. Professor Paul Fletcher, from the Department of Psychiatry at Cambridge University, said: “Having a predictive brain makes us efficient and adept at creating a coherent picture of an ambiguous and complex world. But it also means we are not very far away from perceiving things that aren’t actually there, which is the definition of a hallucination.

“The Cambridge team, together with colleagues from Cardiff University, set up an experiment to see if people with psychotic tendencies are better at mentally filling in missing parts of pictures…Those with very early signs of psychosis performed better than people with no mental illness.”

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