Abstract

The theme of this special issue of the Journal of Abnormal Psychology is on predictive processing and how it can improve our fundamental understanding of neuropsychiatric disorders. Several articles focus on psychosis and demonstrate how the field of computational psychosis research has evolved and matured in recent years through the application of predictive processing theory. These articles suggest that whereas the computational mechanisms underlying psychosis may be complex, careful empirical and theoretical work-using more sophisticated models-can bridge gaps between previous results that appeared to be at odds while providing more explanatory power. There is a particular focus on processing hierarchies; defining which priors are maladaptive and at what stage of illness they become so; and finding compelling neurobiological correlates of computational processes. These articles provide a blueprint for future empirical work. This work-that is licensed theoretically by predictive processing-may improve our understanding of psychosis and its treatment and open new avenues for biomarker and therapeutic development. (PsycInfo Database Record (c) 2020 APA, all rights reserved).

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