Brain activity during intraoperative general anesthesia using resting-state functional magnetic resonance imaging ~ Feasibility study ~. - Wakabayashi, Junji; Oshiro, Yoshitetsu; Kan, Shigeyuki; Kohta, Masaaki; Taniguchi, Masaaki; Obata, Norihiko; Okada, Masako; Kohmura, Eiji; Sasayama, Takashi; Mizobuchi, Satoshi (Journal of Anesthesia, 2025)