... one episode of psychosis and some recover from schizophrenia. Over the past ten years the use of CBT for treating schizophrenia has been extensively studied. Much informative research has been conducted using the empirical approach of meta-analysis, which allows one summarizing the results of multiple studies. Turkington, Kingdon & Chadwick (2003) found that CBT has been has been effective in treating the positive and negative symptoms of schizophrenia. They note that residual symptoms have mostly improved after adult patients received an average of 20 sessions over 9 months, but are cautious in offering CBT to treat 'first-episode schizophrenia, acute relapse, forensic patients with psychosis or those with co-morbidity such as substance misuse, personality disorder or learning disability, nor for psychosis in adolescence and old age' as these areas have not been adequately investigated. This shows that CBT has started to make a positive contribution to treating schizophrenia but vast amounts ...

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