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Related Experiment Videos

Speech and language alterations in multi-infarct dementia.

A L Powell1, J L Cummings, M A Hill

  • 1Neurobehavior Unit, West LA VAMC (Brentwood Division), CA 90073.

Neurology
|May 1, 1988
PubMed
Summary

This study reveals distinct speech and language differences between multi-infarct dementia (MID) and dementia of the Alzheimer type (DAT). MID shows more motor speech issues, while DAT presents with empty speech and word-finding difficulties.

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Area of Science:

  • Neurology
  • Linguistics
  • Gerontology

Background:

  • Dementia significantly impacts cognitive functions, including speech and language.
  • Multi-infarct dementia (MID) and dementia of the Alzheimer type (DAT) are common forms with potentially different clinical presentations.

Purpose of the Study:

  • To compare speech and language alterations in patients with MID and DAT.
  • To identify characteristic differences in verbal output between these two dementia types.

Main Methods:

  • Assessed speech and language functions in 18 MID patients and 14 DAT patients.
  • Utilized a comprehensive speech and language battery evaluating 37 elements of verbal output.
  • Ensured comparable age ranges and dementia severity between the two patient groups.

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Main Results:

  • Multi-infarct dementia patients exhibited more abnormalities in the motor aspects of speech.
  • Dementia of the Alzheimer type patients demonstrated 'empty speech,' more pronounced anomia (word-finding difficulties), and relatively preserved motor speech functions.
  • Significant differences in speech and language profiles were observed between MID and DAT.

Conclusions:

  • Speech and language impairments present differently in MID and DAT, aiding in differential diagnosis.
  • Despite the heterogeneous nature of multi-infarct dementia, common clinical features were noted.