A psychiatric disorder may result from several causes which may interact.■ Predisposing factors often stem from early life and include genetic, pregnancy and delivery, previous emotional traumas and personality factors.
■ Precipitating factors may be physical,psychological or social in nature. Whether they produce
a disorder depends on their nature, severity and the presence of predisposing factors. For instance a death of a close, rather than distant, family member is more likely to precipitate a pathological grief reaction in someone who has not come to terms with a previous bereavement.
■ Perpetuating (maintaining) factors prolong the course of a disorder after it has occurred. Again they may be physical, psychological or social, and several are often active and interacting at the same time. For example, high levels of criticism at home combined with taking cannabis, as relief from the criticism, may help to maintain schizophrenia
■ Precipitating factors may be physical,psychological or social in nature. Whether they produce
a disorder depends on their nature, severity and the presence of predisposing factors. For instance a death of a close, rather than distant, family member is more likely to precipitate a pathological grief reaction in someone who has not come to terms with a previous bereavement.
■ Perpetuating (maintaining) factors prolong the course of a disorder after it has occurred. Again they may be physical, psychological or social, and several are often active and interacting at the same time. For example, high levels of criticism at home combined with taking cannabis, as relief from the criticism, may help to maintain schizophrenia
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