The brain's "dark energy" puzzle upgraded: [18F]FDG uptake, delivery and phosphorylation, and their coupling with resting-state brain activity. - Volpi T; Lee JJ; Vlassenko AG; Goyal MS; Corbetta M; Bertoldo A (Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 2025)