Dr. Toru Ishii is a clinician scientist whose expertise is in Emergency Medicine, Neurology, and Sleep Medicine. He earned his PhD at Kyoto University, Japan, in the field of neuroimaging, where he acquired expertise in various non-invasive neuroimaging techniques, including MRI, PET, MEG, and EEG. Utilizing these methods, he has carried out research on the early detection of neurodegenerative disease by imaging biomarkers. He was dispatched to Stanford University as part of U.S.-Japan Brain Research Cooperative Program (BRCP) in FY2020 to conduct cooperative research on “Neural correlates of bidirectional relationship between sleep disruption and Aβ deposition in Alzheimer’s disease”. During his dispatch period, he reported the importance of the sleep spindle/slow oscillation coupling mechanism on memory consolidation in older adults. He joined Dr. O’Hara’s lab at Stanford University in 2022 as a Postdoctoral Scholar in the Department of Psychiatry and Behavioral Sciences. Since then, his research has focused on elucidating the mechanism of the relationship between sleep and cognitive function in both children and older adults.