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Mild cognitive impairment: conceptual issues and structural and functional brain correlates

Andrew J Saykin1, Heather A Wishart

  • 1Brain Imaging Laboratory, Department of Psychiatry, Dartmouth Medical School, Lebanon, NH 03756-0001, USA. Andrew.J.Saykin@dartmouth.edu

Seminars in Clinical Neuropsychiatry
|February 5, 2003
PubMed

Insights

Mild cognitive impairment (MCI) is common in older adults and may lead to dementia. Early detection and intervention are key to potentially delaying or preventing Alzheimer's disease progression.

Area of Science:

  • Gerontology
  • Neurology
  • Cognitive Science

Background:

  • Mild cognitive impairment (MCI) is a significant risk factor for dementia in the elderly.
  • Early detection and intervention strategies are crucial for managing potential progression to Alzheimer's disease.
  • Understanding the neurobiology of MCI is vital for developing effective treatments.

Purpose of the Study:

  • To review the current understanding of mild cognitive impairment (MCI).
  • To discuss the diagnosis and assessment of memory complaints in older adults.
  • To summarize recent neurobiological findings related to MCI.

Main Methods:

  • Literature review of conceptualization and diagnosis of MCI.
  • Analysis of assessment methods for memory deficits in the elderly.
  • Synthesis of recent neuroimaging and neurochemical research on MCI.

Main Results:

  • MCI is characterized by cognitive deficits beyond normal aging but not meeting dementia criteria.
  • Assessment involves evaluating memory complaints and objective deficits.
  • Neurobiological research highlights neurochemical, structural, and functional brain changes in MCI.

Conclusions:

  • Accurate conceptualization and diagnosis of MCI are essential for timely intervention.
  • Comprehensive assessment of cognitive function is necessary for identifying individuals at risk.
  • Ongoing research into the neurobiological underpinnings of MCI is critical for future therapeutic development.

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