Impairments in goal-directed action and reversal learning in a proportion of individuals with psychosis
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Published:2022-08-02
Issue:6
Volume:22
Page:1390-1403
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ISSN:1530-7026
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Container-title:Cognitive, Affective, & Behavioral Neuroscience
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language:en
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Short-container-title:Cogn Affect Behav Neurosci
Author:
Suetani Shuichi, Baker Andrea, Garner Kelly, Cosgrove Peter, Mackay-Sim Matilda, Siskind Dan, Murray Graham K, Scott James G, Kesby James P.ORCID
Abstract
AbstractCognitive impairment in psychosis is one of the strongest predictors of functional decline. Problems with decision-making processes, such as goal-directed action and reversal learning, can reflect cortico-striatal dysfunction. The heterogenous symptoms and neurobiology observed in those with psychosis suggests that specific cognitive phenotypes may reflect differing causative mechanisms. As such, decision-making performance could identify subgroups of individuals with more severe cortico-striatal dysfunction and help to predict their functional decline. The present work evaluated the relationship between goal-directed action, reversal learning, and symptom profiles in those with psychosis. We assessed decision-making processes in healthy controls (N = 34) and those with persistent psychosis (N = 45), subclassifying subjects based on intact/impaired goal-directed action. Compared with healthy controls (<20%), a large proportion (58%) of those with persistent psychosis displayed impaired goal-directed action, predicting poor serial reversal learning performance. Computational approaches indicated that those with impaired goal-directed action had a decreased capacity to rapidly update their prior beliefs in the face of changing contingencies. Impaired decision-making also was associated with reduced levels of grandiosity and increased problems with abstract thinking. These findings suggest that prominent decision-making deficits, indicative of cortico-striatal dysfunction, are present in a large proportion of people with persistent psychosis. Moreover, these impairments would have significant functional implications in terms of planning and abstract thinking.
Funder
The University of Queensland
Publisher
Springer Science and Business Media LLC
Subject
Behavioral Neuroscience,Cognitive Neuroscience
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