Dementia and Cognitive Impairment Research

Dementia and cognitive impairment research examines how and why memory, reasoning, and other mental functions deteriorate with age, with Alzheimer's disease representing the most prevalent and studied form. Researchers use neuroimaging, genetic analysis, and blood-based biomarkers to detect changes in the brain years before symptoms appear, hoping to intervene early enough to slow or prevent decline. A central challenge is distinguishing the normal cognitive changes of aging from mild cognitive impairment — a borderline state that sometimes progresses to dementia and sometimes does not — and identifying which biological signals reliably predict that transition. Alongside the neuroscience, the field also investigates the psychological and practical toll on family caregivers, and whether interventions like cognitive training or vascular risk management can meaningfully preserve function over time.

Works

154,828

Total citations

3,821,473

Keywords

Alzheimer's DiseaseMild Cognitive ImpairmentDementiaNeuroimagingCognitive DeclineBiomarkers