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Children Can Display Symptoms of Psychosis

By Senior News Editor
Reviewed by John M. Grohol, Psy.D. on May 3, 2010

Children Can Display Symptoms of PsychosisA new study of British 12-year-olds suggests that nearly six percent may be showing at least one definite symptom of psychosis.

Children were asked whether they had ever seen things or heard voices that weren’t really there, and then asked careful followup questions.

The children who exhibited these symptoms had many of the same risk factors that are known to correlate with adult schizophrenia, including genetic, social, neurodevelopmental, home-rearing and behavioral risks.

“We don’t want to be unduly alarmist, but this is also not something to dismiss,” said co-author Terrie Moffitt, the Knut Schmidt Nielsen professor of psychology and neuroscience and psychiatry & behavioral sciences at Duke University.

The study appears in the journal Archives of General Psychiatry.

The children were participants in the long-term Environmental Risk Longitudinal Twin Study in Britain, which includes 2,232 children who have been tracked since age 5 and reassessed at ages 7, 10 and 12.

The British study is an outgrowth of research that the same group did earlier with a long-term cohort in Dunedin, New Zealand.

At age 11, those children were asked about psychotic symptoms, but the researchers waited 15 years to see how, as adults, their symptoms matched what they reported at 11.

By age 26, half of the people who self-reported symptoms at age 11 were found to be psychotic as adults.

“It looks like a non-trivial minority of children report these symptoms,” said co-author Avshalom Caspi, the Edward M. Arnett professor of psychology and neuroscience and psychiatry & behavioral sciences at Duke.

The findings provide more clues to the development of schizophrenia, but don’t solve any questions by themselves, said co-author Richard Keefe, director of the schizophrenia research group in the department of psychiatry and behavioral sciences at Duke.

Schizophrenia often goes undetected until adolescence, when the first overt symptoms – antisocial behavior, self-harm, delusions – begin to manifest in an obvious way.

But nobody knows whether the disease is triggered by the process of adolescence itself, or brain development or hormone changes. “It’s my impression that all of those things interact,” Keefe said.

Psychotic symptoms in childhood also can be a marker of impaired developmental processes, and are something caregivers should look for, Moffitt said.

“There is not much you can do except monitoring and surveillance,” Moffitt said.

“But we feel we should be alerting clinicians that there’s a minority to pay attention to.”

While the incidence of psychotic symptoms in this study was around five or six percent, the adult incidence of schizophrenia is believed to be about one percent, Keefe added.

There are some recent findings however, that many more people experience hallucinations and delusions without being diagnosed as psychotic, he said.

Source: Duke University

 

APA Reference
Nauert, R. (2010). Children Can Display Symptoms of Psychosis. Psych Central. Retrieved on October 2, 2014, from http://psychcentral.com/news/2010/05/03/children-can-display-symptoms-of-psychosis/13430.html

 

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