Development of Apathy, Anxiety, and Depression in Cognitively Unimpaired Older Adults : Effects of Alzheimer's Disease Pathology and Cognitive Decline
Background: The impact of Alzheimer's disease (AD) pathology and cognitive deficits on longitudinal neuropsychiatric symptoms is unclear, especially in early disease stages. Methods: Cognitively unimpaired older adults (N = 356) enrolled in the prospective Swedish BioFINDER study were examined. Neuropsychiatric assessments encompassed the Apathy Evaluation Scale and the Hospital Anxiety and Depres
