The glymphatic system (GS) plays a key role in maintaining brain homeostasis by clearing metabolic waste during sleep. with the coupling between global blood-oxygen-level-dependent (gBOLD) and cerebrospinal fluid (CSF) signals serving as a potential marker for glymphatic clearance function. However. the test-retest reliability and spatial heterogeneity of gBOLD-CSF coupling after diff... https://www.thenaturalbabycoes.shop/product-category/markers/