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A multicentric study on cognitive functions in a large sample of patients with schizophrenia and their unaffected first-degree relatives

  • M. Chieffi (a1), A. Mucci (a1), A. Rossi (a2), P. Rocca (a3), A. Bertolino (a4), S. Galderisi (a1) and M. Maj (a1)...

Abstract

Introduction

Neurocognition may represent an indicator of genetic risk and poor outcome in schizophrenia patients (SCZ) predicting real life functioning.

Objectives

As cognitive performance of unaffected first-degree relatives (UR) is intermediate between SCZ and healthy controls (HC), neurocognitive impairment may represent a marker of vulnerability to schizophrenia.

Aims

To investigate social and neurocognition in all subjects and their impact on functional capacity of patients as markers of vulnerability.

Methods

Sample: 922 SCZ, 379 UR and 780 HC. Assessment: MATRICS Consensus Cognitive Battery (neurocognition), Facial Emotion Identification Test and Awareness of Social Inference Test (social cognition) and Specific Level of Functioning Scale (social functioning). Analyses: Structural Equation Model (SEM) analyses to model the impact of all variables on functional outcome.

Results

SCZ scored worse in all domains than UR and HC. UR had significant impairments in all cognitive domains with respect to HC. Cognitive functioning had direct and indirect impacts on functional outcome mainly through social cognition and functional capacity. Social cognition had a direct impact on outcome, independent of neurocognition.

Conclusion

SCZ and UR display similar patterns of social and neurocognition deficits. Our results confirm a strong impact of neurocogniton on functional outcome. Social cognition has become an interesting object of study and its conceptualization as trait variable and the existence of a continuum between SCZ and UR are hypotheses for further research.

Acknowledgements

The study was carried out within the project “Multicenter study on factors influencing real-life social functioning of people with a diagnosis of schizophrenia” of the Italian Network for Research on Psychoses.

Disclosure of interest

The authors have not supplied their declaration of competing interest.

Copyright

Corresponding author

*Corresponding author.

A multicentric study on cognitive functions in a large sample of patients with schizophrenia and their unaffected first-degree relatives

  • M. Chieffi (a1), A. Mucci (a1), A. Rossi (a2), P. Rocca (a3), A. Bertolino (a4), S. Galderisi (a1) and M. Maj (a1)...

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A multicentric study on cognitive functions in a large sample of patients with schizophrenia and their unaffected first-degree relatives

  • M. Chieffi (a1), A. Mucci (a1), A. Rossi (a2), P. Rocca (a3), A. Bertolino (a4), S. Galderisi (a1) and M. Maj (a1)...
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