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Schizophrenia drops IQ?

London: People at greater risk of schizophrenia, a severe disorder characterised by delusions and hallucinations, could see a drop in their intelligent quotient (IQ) as they age, says a new study.Scientists from the University of

IANS IANS Updated on: February 25, 2013 14:47 IST


They compared the IQ scores of more than 1,000 people from Edinburgh.

The people were tested for general cognitive functions in 1947, aged 11 years, and again when they were around 70 years old, according to an Edinburgh statement.

The researchers were able to examine people's genes and calculate each subject's genetic likelihood of developing schizophrenia, even though none of the group had ever developed the illness.

Schizophrenia affects around one percent of the population, often in the teenage or early adult years, and is associated with problems in mental ability and memory.

They then compared the IQ scores of people with a high and low risk of developing schizophrenia.

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