The risk of development of schizophrenia is thrice in children who have suffered severe trauma as compared to normal children. The children who has undergone trauma can develop schizophrenia in later life, reveals a new study.
Formerly the research was focused on biological factors behind schizophrenia, bipolar and psychotic depression, but more proofs now indicate that they cannot be fully comprehended without taking into account experiences of individual patients.
Richard Bentall, professor at Liverpool's Institute of Psychology, Health and Society, who also led the study, commented: "The causes of psychotic disorders, particularly schizophrenia, are a source of controversy amongst psychiatrists, psychologists and doctors.
"There is also disagreement about how the disorders are defined. It's not unusual, for example, for a patient to be diagnosed with schizophrenia by one psychiatrist, but as bipolar by another," he said as per the journal Schizophrenia Bulletin.
The teams of researchers from Liverpool and Maastricht University, Netherlands, studied more than 27,000 research papers produced over 30 years, to collect data from three types of studies, says a Liverpool statement.
These data were related to the progress of children who have experienced adversity; studies of randomly selected members of the population; and research on psychotic patients who were questioned about their early childhood.
In all the three types of studies the outcome led to similar conclusions. Children who had suffered any type of trauma before 16 years were approximately three times more prone to become psychotic in adulthood in comparison to those selected arbitrarily from the masses
The children who were highly traumatized in their childhood were at a higher risk, in some cases up to 50 times increased risk, than those who has undergone a trauma of small extent.
Sexual abuse in childhood for instance was linked with hallucinations, whilst being brought up in a children's home was associated with paranoia.
--with inputs from IANS
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