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Related Experiment Videos

Confabulation in Alzheimer's disease.

R S Kern1, W G Van Gorp, J L Cummings

  • 1Fuller Graduate School of Psychology, VA Medical Center West Los Angeles.

Brain and Cognition
|July 1, 1992
PubMed
Summary

Alzheimer's disease (AD) patients exhibit confabulation, specifically more verbal intrusions, compared to normal elderly controls. This suggests confabulatory behavior is a common feature of memory impairment in AD.

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Area of Science:

  • Neuroscience
  • Gerontology
  • Psychology

Background:

  • Confabulation is a memory disturbance often associated with cognitive impairment.
  • Alzheimer's disease (AD) is characterized by severe memory abnormalities.
  • The presence of confabulation in AD patients has been debated due to the severity of their memory deficits.

Purpose of the Study:

  • To investigate the occurrence and characteristics of confabulation in Alzheimer's disease (AD).
  • To assess whether confabulatory-type behavior, specifically verbal intrusions, is present in AD patients compared to normal elderly controls.

Main Methods:

  • Prospective assessment of confabulation in 26 AD patients and 15 normal elderly (NE) controls.
  • Utilized a neuropsychological battery designed to evaluate various types of memory errors.

Related Experiment Videos

  • Focused on quantifying verbal intrusions as a measure of confabulation.

    • Main Results:

    • The AD group demonstrated significantly more verbal intrusions than the NE group.
    • These findings indicate a higher propensity for confabulatory-type errors in individuals with Alzheimer's disease.
    • Verbal intrusions were identified as a common accompaniment to memory impairment in AD.

    Conclusions:

    • Confabulation, particularly in the form of verbal intrusions, is observable and quantifiable in Alzheimer's disease patients.
    • The study supports the feasibility of assessing confabulatory behavior in clinical settings for AD.
    • Verbal intrusions are a relevant indicator of memory disturbances in Alzheimer's disease.