Cognitive-behavioral therapy for chronic psychosis.

Cognitive-behavioral therapy (CBT) has been used in recent years as an intervention for chronic psychoses, generally as a complement to the pharmacological treatment. This fact has motivated controlled studies that analyze the efficiency of this type of interventions. That is why this bibliographical review has aimed to analyze the most relevant studies up-to-date. Those works having a controlled and random design, that assured the requirements of reliability and validity, were included. The studies show encouraging results, because they support the efficiency of CBT as a measurement of treatment. Nevertheless, more investigations that support this information are still required.