Higher sleep apnea severity related to lower medial temporal lobe subregion volumes in amyloid-positive, but not amyloid-negative, individuals. Sleep-disordered breathing (SDB) is associated with medial temporal lobe atrophy in cognitively unimpaired amyloid-positive older adults, according to a study published online May 31 in Neurology. Claire André, Ph.D., from Normandie University in France, and colleagues examined the...