Report summary

Columbia University Department of Psychiatry in 2024-2026 reads as a 54-PI network with 27 internal PI collaborations. The dominant subject mix is Medicine as the leading field (29% of slots across 30 PIs; 30 labels), Cognitive Neuroscience as the leading subfield (13% of slots across 17 PIs; 17 labels), and Functional Brain Connectivity Studies as the leading topic (5% of slots across 7 PIs; 7 labels). Overall the pattern is balanced: there is enough structure to identify active groups, while the field mix still leaves room for multiple research identities. The leading PI names are Doron Amsalem (17.4 weighted works; Digital Mental Health Interventions, Child and Adolescent Psychosocial and Emotional Development); Mark Olfson (15 weighted works; Digital Mental Health Interventions, Mobile Health and mHealth Applications). The most visible ties are David Pagliaccio and Randy P. Auerbach (16 shared works, weight 9.3). The leading breakdown groups are group 1 with 9 PIs, 9 internal connections, weight 7.7, around Cognitive Neuroscience, Radiology, Nuclear Medicine and Imaging, Clinical Psychology, led by Mark Olfson, Deborah S. Hasin, Ardesheer Talati; group 2 with 7 PIs, 6 internal connections, weight 8.8, around Cognitive Neuroscience, Clinical Psychology, Social Psychology, led by Paul S. Appelbaum, Amandeep Jutla, Robert Klitzman.