Contrary to the hypothesis that delusional beliefs in schizophrenia are a persistent general deficit, patients using a well-documented advice-taking task revise their beliefs, taking into account socially provided information, and actually show less egocentric advice-discounting than “healthy” controls. The study by researchers from France and Switzerland shows that delusional patients’ difficulty in revising beliefs is more selective than previously assumed. The study appears in PLoS One.
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