Delusions are commonly conceived as false beliefs that are held with certainty and which
cannot be corrected. This conception of delusion has been influential throughout the history …

We did a systematic review and meta-analysis to investigate the magnitude and specificity of
the “jumping to conclusions”(JTC) bias in psychosis and delusions. We examined the extent …

The COVID-19 pandemic forced millions of people to drastically change their social life
habits as governments employed harsh restrictions to reduce the spread of the virus …

While contemporary models of psychosis have proposed a number of putative psychological
mechanisms, how these impact on individuals to increase intensity of psychotic experiences …

Background Many patients with psychotic disorders have persistent paranoid ideation and
avoid social situations because of suspiciousness and anxiety. We investigated the effects of …

Background Worry might be a contributory causal factor in the occurrence of persecutory
delusions in patients with psychotic disorders. Therefore we postulated that reducing worry …

There is a substantial body of research reporting evidence of associations between various
forms of childhood adversity and psychosis, across the spectrum from experiences to …

Background Sleep dysfunction is extremely common in patients with schizophrenia. Recent
research indicates that sleep dysfunction may contribute to psychotic experiences such as …

Intolerance of uncertainty (IU) is proposed to be a transdiagnostic causal mechanism of
psychological difficulties. The systematic review sought to evaluate the status of evidence …

Metacognitive training (MCT) is a new, widely used intervention for psychosis. The present
meta-analysis examines the efficacy of MCT in schizophrenia. Fifteen studies comparing …