by University of California, Irvine Flow chart for subject participation. Bold font denotes subgroups that were included in the statistical analyses (Pre-Covid Finishers, for neuropsychological assessments; and MRI Finishers, for MRI analyses). Credit: Frontiers in Neuroscience (2023). DOI: 10.3389/fnins.2023.1200448 When a fragrance wafted through the bedrooms of older adults for two hours every night for six months, memories...
