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Related Experiment Videos

Perfusion abnormalities in prodromal AD.

K A Johnson1, M S Albert

  • 1Departments of Neurology and Radiology, Brigham and Women's Hospital, 75 Francis Street, Boston, MA, USA. keith@bwh.harvard.edu

Neurobiology of Aging
|June 27, 2000
PubMed
Summary
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Cerebral perfusion abnormalities are observed in individuals at risk for Alzheimer's disease (AD) before clinical diagnosis. These early changes in brain blood flow may indicate disease progression and aid in diagnosis.

Area of Science:

  • Neuroimaging
  • Neurology
  • Alzheimer's Disease Research

Background:

  • Established Alzheimer's disease (AD) typically shows temporoparietal cortex hypoperfusion.
  • Perfusion patterns are increasingly studied in individuals at risk for AD.

Purpose of the Study:

  • To investigate cerebral perfusion patterns in individuals at risk for AD.
  • To identify early indicators of AD progression.

Main Methods:

  • Examination of brain perfusion in individuals with memory difficulties or genetic risk factors for AD.
  • Analysis of perfusion patterns in preclinical and prodromal stages of AD.

Main Results:

  • Studies suggest decreased perfusion in specific brain regions during the prodromal phase of AD.

Related Experiment Videos

  • Evidence indicates early involvement of a brain network in AD.

    • Conclusions:

    • Cerebral perfusion abnormalities may precede clinical AD diagnosis.
    • Understanding these early changes could improve AD diagnosis and treatment monitoring.