Medulloblastoma Radiotherapy Changed Language fMRI Networks 80.7%
A 2026 preprint involving 31 children and adolescents treated for medulloblastoma found that silent verb-generation fMRI separated pre- from post-radiotherapy scans with 80.7% leave-one-subject-out accuracy (p = 0.0149).1 The signal points to early cerebellar-cerebral language-network change, not yet to a proven long-term cognitive endpoint. Research Highlights Classifier performance was above chance: A linear support-vector machine …