AUTHOR=Ono Maiko , Kono Rena , Hirata Kosei , Saito Keita , Nakao Motonao , Takakusagi Yoichi , Araki Rikita , Sumiyoshi Akira , Takado Yuhei TITLE=Awake brain MRSI reveals anesthetic sensitivity and regional aging effects on [13C]bicarbonate metabolism in mice JOURNAL=Frontiers in Neuroimaging VOLUME=4 YEAR=2025 URL=https://www.frontiersin.org/journals/neuroimaging/articles/10.3389/fnimg.2025.1506126 DOI=10.3389/fnimg.2025.1506126 ISSN=2813-1193