Schizophrenia as a Disorder of Disorganized Focus of Attention ONLY. Schizophrenia is THE psychiatric condition with variable manifestations involving all the major areas of a mental state examination, appearance and behaviour, thoughts and speech, cognitions, perceptions, mood, and most commonly, insight or reality-testing. Studies have long proposed schizophrenia being related to impaired regulation of attention; we propose a model explaining the entire range of manifestations as the result of a disorganized focus of attention. Explaining delusions The cognitive model of depression proposes that patients with dysfunctional beliefs maintain these because of their selective attention to evidence that confirms these beliefs and their tendency to ignore the evidence against it. In the most severe cases, these dysfunctional beliefs may progress to delusions in which case they absolutely do not attend to evidence against their delusional beliefs and are preoccupied with the evid...