Original Research Accepted on 17 Jan 2025 Awake MRSI reveals anesthetic sensitivity and regional aging effects on [13C]bicarbonate metabolism in mice Maiko OnoRena KonoKosei HirataKeita SaitoYoichi TakakusagiRikita ArakiAkira SumiyoshiYuhei Takado Frontiers in Neuroimaging doi 10.3389/fnimg.2025.1506126