Stefan Fritze, Geva A Brandt, Anastasia Benedyk, Alexander Moldavski, Sebastian Volkmer, Jonas Daub, Maria Krayem, Jacqueline Kukovic, Emanuel Schwarz, Urs Braun, Robert Christian Wolf, Katharina M Kubera, Georg Northoff, Andreas Meyer-Lindenberg, Heike Tost, Dusan Hirjak
BACKGROUND AND HYPOTHESIS: Parkinsonism, psychomotor slowing, negative and depressive symptoms show evident phenomenological similarities across different mental disorders. However, the extent to which they interact with each other is currently unclear. Here, we hypothesized that parkinsonism is an independent motor abnormality showing limited associations with psychomotor slowing, negative and depressive symptoms in schizophrenia spectrum (SSD), and mood disorders (MOD). STUDY DESIGN: We applied network analysis and community detection methods to examine the interplay and centrality (expected influence [EI] and strength) between parkinsonism, psychomotor slowing, negative and depressive symptoms in 245 SSD and 99 MOD patients...
April 26, 2024: Schizophrenia Bulletin