Different sides of the same coin? Intercorrelations of cognitive biases in schizophrenia

Steffen Moritz*, Ruth Veckenstedt, Birgit Hottenrott, Todd S. Woodward, Sarah Randjbar, Tania M. Lincoln

*Corresponding author for this work

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

Introduction. A number of cognitive biases have been associated with delusions in schizophrenia. It is yet unresolved whether these biases are independent or represent different sides of the same coin. Methods. A total of 56 patients with schizophrenia underwent a comprehensive cognitive battery encompassing paradigms tapping cognitive biases with special relevance to schizophrenia (e.g., jumping to conclusions, bias against disconfirmatory evidence), motivational factors (self-esteem and need for closure), and neuropsychological parameters. Psychopathology was assessed using the Positive and Negative Syndrome Scale (PANSS). Results. Core parameters of the cognitive bias instruments were submitted to a principal component analysis which yielded four independent components: jumping to conclusions, personalising attributional style, inflexibility, and low self-esteem. Conclusions. The study lends tentative support for the claim that candidate cognitive mechanisms for delusions only partially overlap, and thus encourage current approaches to target these biases independently via (meta)cognitive training.

Original languageEnglish
Pages (from-to)406-421
Number of pages16
JournalCognitive Neuropsychiatry
Volume15
Issue number4
DOIs
Publication statusPublished - 2010
Externally publishedYes

Keywords

  • Bias against disconfirmatory evidence
  • Delusions
  • Jumping to conclusions
  • Need for closure
  • Schizophrenia
  • Self-esteem

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