Oral carbohydrate sensing enhances prefrontal cortex oxygenation, reduces perceived exertion, and improves high-intensity cycling performance: A randomized crossover trial - Seung-Bo Park; Kyungjin Oh; Geonwoo Yang; Taenam Kim; Jea Woog Lee; Hyung-Jin Jeon; Doug Hyun Han (PLoS ONE, 2026)