Dynamical systems study follows 1 psychotic patient for 1 full year

When we recently submitted a review paper on empirical network studies in psychopathology, we realized that the majority of prior papers had focused on the analyses of groups, e.g. depressed patients, psychotic patients, or people with autism. Fewer studies had looked into the question of the dynamic character of symptoms …

Expected influence: a new centrality metric by Robinaugh et al. 2016

When we estimate the centrality of nodes in networks, one metric that is commonly used is node strength centrality or degree centrality. In unweighted networks were edges are either 0 or 1, this is simply the sum of edges. Let’s create a brief example in R: we create an adjacency …

Call for papers: special issue on PTSD network studies

The European Journal of Psychotraumatology has announced a call for papers for a special issue entitled “PTSD Symptomics: Analyzing individual PTSD symptoms and their network configurations in traumatized populations”. Cherie Armour, Miranda Olff, and me will serve as editors for this special issue. In summary, we are looking for papers …

2 new conceptual network papers from a clinical perspective

Two new conceptual papers were published recently that tackle the question what network theory and network models can contribute to clinical science. Together, they provide a great introductory read and cover a large number of clinically relevant topics. While many technical papers are available by now, it is good to …

Bringmann’s dissertation on dynamical networks in psychology

You’ve probably heard about Laura Bringmann: among other things, she developed the multilevel extension of the vector autoregressive network model many of us are using today, and was the first to apply it to psychopathological data (e.g., 1, 2). Laura defended her PhD “Dynamical networks in psychology: More than a …

Network of conscientiousness facets: Costantini & Perugini 2016 J Res Pers

Giulio Costantini is back! After his dissertation “Network Analysis: A New Perspective on Personality Psychology”, and his two insightful 2015 papers “State of the aRt personality research: A tutorial on network analysis of personality data in R” and “Development of indirect measures of conscientiousness: Combining a facets approach and network …

Comorbidity network of depression & anxiety symptoms: Beard et al. 2016

A new network paper by Beard et al. entitled “Network Analysis of Depression and Anxiety Symptom Relations in a Psychiatric Sample” will appear soon in Psychological Medicine. I tend to think of the paper as a state-of-the-art replication of the great comorbidity paper by Cramer et al. 2010 who investigated …

Network Analysis Workshop: all materials freely available online

This year, we were invited to give a number of network analysis workshops for psychological data. Most of these I gave together with my fantastic colleagues Marie Deserno and Sacha Epskamp. The majority of the workshops covered network estimation, network inference, and network accuracy for between-subjects cross-sectional networks and time-series …