Case ReportPublished 30 September 2026Case Report: Right frontal periventricular heterotopia underlying secondary network epilepsy with a Lennox–Gastaut phenotype: multimodal SEEG, CCEP, and rs-fMRI evidenceChangquan Wang · Jing Hong · Jialin Ji · Caicai Zhang · Wenzhen Chen · Jiwen XuFrontiers in Neurosciencedoi 10.3389/fnins.2026.1961911