主题词：Dementia and Cognitive Impairment Research; Alzheimer's disease research and treatments; Functional Brain Connectivity Studies; Neurological Disease Mechanisms and Treatments; Cholinesterase and Neurodegenerative Diseases; Advanced Neuroimaging Techniques and Applications; Neuroinflammation and Neurodegeneration Mechanisms; Health, Environment, Cognitive Aging; Neurological Disorders and Treatments; Advanced MRI Techniques and Applications; Bioinformatics and Genomic Networks; Computational Drug Discovery Methods; Geriatric Care and Nursing Homes; Tryptophan and brain disorders; Parkinson's Disease Mechanisms and Treatments; Health Systems, Economic Evaluations, Quality of Life; Medical Imaging Techniques and Applications; 14-3-3 protein interactions; Intracerebral and Subarachnoid Hemorrhage Research; Amyotrophic Lateral Sclerosis Research; Folate and B Vitamins Research; Cerebrovascular and Carotid Artery Diseases; Genetic Associations and Epidemiology; Health disparities and outcomes; Nutritional Studies and Diet