Capturing the risk of persisting depressive symptoms: A dynamic network investigation of patients' daily symptom experiences.

Psychiatry Research
Robin N GroenMarieke Wichers

Abstract

What drives the large differences across patients in terms of treatment efficacy of major depressive disorder (MDD) is unclear. A network approach to psychopathology may help to reveal underlying mechanisms determining patients' capacity for recovery. We used daily diary MDD symptom data and six-month follow-up data on depression to examine how dynamic associations between symptoms relate to the future course of MDD. Daily experiences of depressive symptoms of 69 participants were assessed by means of the SCL-90-R depression subscale, three days a week for a period of six weeks, as part of a larger intervention study. Multilevel vector autoregressive modelling was used to estimate networks of dynamic symptom connections. Long-term outcome was determined by the percentage change in Hamilton Depression Rating Scale (HDRS) score between pre-intervention and six-month follow-up. For patients with more persisting symptoms, the symptom 'feeling everything is an effort' most strongly predicted other symptoms. The networks of the two groups did not significantly differ in overall connectivity. Findings suggest that future research should not solely focus on the presence or intensity of individual symptoms when predicting long-term outc...Continue Reading

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Citations

Apr 24, 2020·Multivariate Behavioral Research·Jonas M B HaslbeckLourens J Waldorp
Feb 20, 2020·Annual Review of Clinical Psychology·Aidan G C Wright, William C Woods
Dec 13, 2019·Frontiers in Psychology·Daniel CastroTiago Bento Ferreira
Aug 30, 2020·Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology·David M Lydon-StaleyDanielle S Bassett
Oct 30, 2020·PloS One·Fabian DablanderJonas M B Haslbeck
Sep 22, 2020·Journal of Affective Disorders·Kateryna SavelievaMarkus Jokela
Mar 5, 2020·Biological Psychiatry : Cognitive Neuroscience and Neuroimaging·Xiaolong ZhangDanielle S Bassett
Jun 23, 2021·Multivariate Behavioral Research·Jonas M B Haslbeck, Oisín Ryan

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