Report sparks controversy over cause of children's psychiatric symptoms
Abstract
No abstract available in PubMed .
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Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.
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Biological Causes of Schizophrenia
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Biological approach
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Biological approach
The biological approach posits that internal, organic factors are the primary causes of such disorders. This perspective emphasizes brain structure and function, genetic predispositions, and neurotransmitter imbalances. For example, schizophrenia has been associated with both genetic...

