Report summary

For Harvard University Department of Neurosurgery in 2021-2023, the graph shows 75 visible PIs and 169 internal PI collaborations. The main research signal is Medicine as the leading field (53% of slots across 64 PIs; 64 labels), Genetics as the leading subfield (11% of slots across 21 PIs; 21 labels), and Glioma Diagnosis and Treatment as the leading topic (5% of slots across 11 PIs; 11 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The most prominent PIs by weighted works are Ossama Al‐Mefty (43.9 weighted works; Meningioma and schwannoma management, Neurofibromatosis and Schwannoma Cases). The clearest collaboration lines are Adam A. Dmytriw and Robert W. Regenhardt (41 shared works, weight 10.4); Robert W. Regenhardt and Christopher J. Stapleton (30 shared works, weight 10.2). The strongest breakdown groups are group 1 with 10 PIs, 9 internal connections, weight 31.8, around Genetics, Pulmonary and Respiratory Medicine, Epidemiology, led by Joshua D. Bernstock, Timothy R. Smith, Ari D. Kappel.