Report summary

For Harvard University Department of Neurosurgery in 2022-2026, the graph shows 88 visible PIs and 229 internal PI collaborations. The dominant subject mix is Medicine as the leading field (52% of slots across 78 PIs; 78 labels), Neurology as the leading subfield (13% of slots across 31 PIs; 31 labels), and Intracranial Aneurysms: Treatment and Complications as the leading topic (4% of slots across 10 PIs; 10 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are Joshua D. Bernstock (26.3 weighted works; Glioma Diagnosis and Treatment, Virus-based gene therapy research). The most visible ties are Adam A. Dmytriw and Robert W. Regenhardt (50 shared works, weight 14.4). The standout breakdown groups are group 1 with 10 PIs, 11 internal connections, weight 39.2, around Neurology, Genetics, Oncology, led by Joshua D. Bernstock, Ari D. Kappel, Nirav J. Patel.