Journal article

Interrelationships between depressive symptoms and positive and negative symptoms of recent onset schizophrenia spectrum disorders: A network analytical approach

Sarah E Herniman, Lisa J Phillips, Stephen J Wood, Sue M Cotton, Edith J Liemburg, Kelly A Allott

JOURNAL OF PSYCHIATRIC RESEARCH | PERGAMON-ELSEVIER SCIENCE LTD | Published : 2021

Abstract

OBJECTIVE: There is a need to better understand the interrelationships between positive and negative symptoms of recent-onset schizophrenia spectrum disorders (SSD) and co-occurring depressive symptoms. Aims were to determine: (1) whether depressive symptoms are best conceptualised as distinct from, or intrinsic to, positive and negative symptoms; and (2) bridging symptoms. METHODS: Network analysis was applied to data from 198 individuals with depressive and psychotic symptoms in SSD from the Psychosis Recent Onset GRoningen Survey (PROGR-S). Measures were: Montgomery-Åsberg Depression Rating Scale and Positive and Negative Syndrome Scale. RESULTS: Positive symptoms were just as likely to b..

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Grants

Awarded by National Health and Medical Research Council Senior Research Fellowship


Awarded by NHMRC


Funding Acknowledgements

SEH is supported by a Research Training Program Scholarship awarded by the Australian Commonwealth Government. SMC is sup-ported by a National Health and Medical Research Council Senior Research Fellowship (APP1136344) . KA is supported by a Career Development Fellowship from the NHMRC (1141207) . The framework of the PROGR-S-cohort is supported by the University Centre of Psychiatry of the University Medical Centre Groningen, Lentis Mental Health Institute, Groningen, and the Rob Giel Research Centre. Groningen, The Netherlands.