Dementia and other neurocognitive disorders: An overview

James E. Galvin, Mary E. Kelleher

Research output: Chapter in Book/Report/Conference proceedingChapter


This chapter presents a foundational overview of dementia, with a focus on Alzheimer's disease (AD), the most common cause of dementia. The authors start with an overview of mild cognitive impairment, which is often a dementia precursor, looking at symptoms and diagnostic criteria. AD is reviewed in depth, from the perspective of 2011 diagnostic guideline revisions that, for the first time, outline stages of the illness and also incorporate biomarkers to clarify diagnosis and track disease progression. Recent advances from the use of CSF tests, structural and functional imaging, and genetics are discussed. These advancements pose ethical challenges for patients and caregivers. Treatment options, including nonpharmacological strategies and medications, are reviewed.

Original languageEnglish (US)
Title of host publicationMedical Imaging
Subtitle of host publicationConcepts, Methodologies, Tools, and Applications
PublisherIGI Global
Number of pages28
ISBN (Electronic)9781522505723
ISBN (Print)1522505717, 9781522505716
StatePublished - Jul 18 2016
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)
  • Health Professions(all)


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