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. 2010 Jan;35(1):49-54.
doi: 10.1503/jpn.080039.

Social cognition mediates illness-related and cognitive influences on social function in patients with schizophrenia-spectrum disorders

Jean Addington  1 , Todd A Girard, Bruce K Christensen, Donald Addington
Affiliations

Social cognition mediates illness-related and cognitive influences on social function in patients with schizophrenia-spectrum disorders

Jean Addington et al. J Psychiatry Neurosci. 2010 Jan.

Abstract

Background: Although cognition has been studied extensively among patients with schizophrenia, social cognition has only recently emerged as an area of interest. The objective of the current study was to use structural equation modelling to test the hypothesis that the relation between cognitive performance and social function is mediated by patients' social cognitive abilities.

Methods: We assessed participants who met criteria for a schizophrenia-spectrum disorder, with equal distribution among first- and multi-episode participants, and nonpsychiatric controls on a range of measures within each of the domains of cognition, social cognition and social function.

Results: Using structural equation modelling, we derived a model that explained 79.7% of the variance in social function and demonstrated that the link between cognition and social function was fully mediated by social cognition.

Limitations: A limitation of this study is that the measures contributing to the structural equation modelling analysis were obtained at the same point in time. Thus, the temporal order of causation suggested by Model 2 remains theoretically specified.

Conclusion: This study provides some first steps in understanding the complex relation between cognition and social function. Such a relation has potential implications for the design of remediation strategies.

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Figures

Fig. 1
Fig. 1
Structural equation model of the direct and indirect relation mediated through cognition and social cognition between group status and social function. Rectangles represent observed variables and ovals represent latent variables (see text for further descriptions). Epsilons (ɛ) and zetas (ζ) reflect residual error terms. AIPPS = Assessment of Interpersonal Problem Solving; QLS = Quality of Life Scale; SFS = Social Functioning Scale.
See this image and copyright information in PMC

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