The cognitive model of schizophrenia provides insight into how some individuals develop schizophrenic symptoms as a result of impaired thought processes. The positive symptoms of psychosis are developed through cognitive and affective change or disturbed affect alone (Garety, Kuipres, Fowler, Freeman, & Bebbington, 2001). The first path is the most prevalent, whereby a triggering event in a psychologically vulnerable individual results in disturbed cognitive processing …show more content…
Both cognitive and behavioural theories are also supported by CBT, which targets cognitive and behavioural disturbances, modifies beliefs contributing to psychological stress and stimulating higher cognitive functions responsible for impairments (Beck & Rector, 2005). The lack of sound quantitative support questions the validity of the theory as it has poor replicability. However, the model does have strengths; the methodology of the behavioural studies was performed on a trial-by-trial basis, suggesting the evidence was conducted for many different individuals and situations which strengthens the generalizability of the results as the target group was