Dementia and Cognitive Impairment Research

Dementia and cognitive impairment research investigates how and why memory, reasoning, and other mental capacities deteriorate with age, with Alzheimer's disease representing the most common and intensively studied form. Scientists use neuroimaging and molecular biomarkers to detect biological changes in the brain years before symptoms appear, hoping to identify people at risk while interventions might still slow or prevent decline. A central challenge is understanding the relationship between mild cognitive impairment — a subtle but measurable loss of function that doesn't yet disrupt daily life — and full dementia, since not everyone with the former progresses to the latter. Researchers are also examining how vascular health, lifestyle factors, and caregiver support shape outcomes, recognizing that the condition's burden extends well beyond the individual patient.

Works

149,829

Total citations

3,727,062

Keywords

Alzheimer's DiseaseMild Cognitive ImpairmentDementiaNeuroimagingCognitive DeclineBiomarkers