Journal article

Do Cognitive Subtypes Exist in People at Clinical High Risk for Psychosis? Results From the EU-GEI Study

G Gifford, A Avila, MJ Kempton, P Fusar-Poli, RA Mccutcheon, F Coutts, S Tognin, L Valmaggia, L De Haan, M Van Der Gaag, B Nelson, C Pantelis, A Riecher-Rössler, R Bressan, N Barrantes-Vidal, MO Krebs, B Glenthøj, S Ruhrmann, G Sachs, BPF Rutten Show all

Schizophrenia Bulletin | OXFORD UNIV PRESS | Published : 2025

Abstract

Background and Hypothesis Cognition has been associated with socio-occupational functioning in individuals at Clinical High Risk for Psychosis (CHR-P). The present study hypothesized that clustering CHR-P participants based on cognitive data could reveal clinically meaningful subtypes. Study Design A cohort of 291 CHR-P subjects was recruited through the multicentre EU-GEI high-risk study. We explored whether an underlying cluster structure was present in the cognition data. Clustering of cognition data was performed using k-means clustering and density-based spatial clustering of applications with noise. Cognitive subtypes were validated by comparing differences in functioning, psychosis sy..

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Grants

Awarded by University of Melbourne


Funding Acknowledgements

The EU-GEI project was supported by the European Community's Seventh Framework Program (HEALTH-F2-2009-241909; Project EU-GEI). AA was supported by Fundac & atilde;o para a Ciencia e a Tecnologia, scholarship ID SFRH/BD/115916/2016. RAM's work is funded by a Wellcome Trust Clinical Research Career Development (224625/Z/21/Z). Additional support was provided by a Medical Research Council Fellowship (MR/J008915/1 to MK). CP was supported by a National Health and Medical Research Council (NHMRC) Senior Principal Research Fellowship (1105825), NHMRC L3 Investigator Grant (1196508). BN was supported by an NHMRC Senior Research Fellowship (1137687) and a University of Melbourne Dame Kate Campbell Fellowship. The Melbourne site was supported by NHMRC-EU Grant (567215). NBV was supported by Ministerio de Ciencia, Innovacion e Universidades (PSI2017-87512-C2-1-R).