sex differences, episodic memory, Alzheimer's disease risk factors, task-related functional MRI, cognition, longitudinal study
Physical activity, cognitive aging, grey matter integrity, resting-state functional connectivity
Alzheimer's disease, quantitative MRI, Hippocampus, Iron, Myelin, Risk factors
Alzheimer's disease, Amyloid beta, 181-phosphorylated tau, Interleukin-8, Cerebral blood flow, Gray matter volume