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- Title
Conceptual Evolution in Alzheimer's Disease: Implications for Understanding the Clinical Phenotype of Progressive Neurodegenerative Disease.
- Authors
Jicha, Gregory A.; Carr, Sarah A.
- Abstract
Over the past several decades, our understanding of Alzheimer's disease (AD) has seen an evolution from the dichotomous concept of normal versus AD in the dementia state to a more accurate and complete appreciation of AD as a progressive disorder with clinical, biological, and pathological features occurring along a continuum from normal to end-stage disease. Integrating our understanding of the relationships and interplay between the clinical, biological, and pathological features of AD may allow the identification of AD at even preclinical, completely asymptomatic stages of the disease. This review attempts to summarize the clinical stages of AD in terms of epidemiology, historical evolution of disease stage diagnoses, cognitive/neuropsychologic features, psychiatric/behavioral manifestations, and functional decline in the context of our developing understanding of the biological processes responsible for the pathogenesis of AD described in detail in the accompanying articles.
- Subjects
ALZHEIMER'S disease; EPIDEMIOLOGY; COGNITIVE ability; COGNITION disorders; DEMENTIA
- Publication
Journal of Alzheimer's Disease, 2010, Vol 19, Issue 1, p253
- ISSN
1387-2877
- Publication type
Article
- DOI
10.3233/JAD-2010-1237