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Related Experiment Videos

Speech abnormalities in tardive dyskinesia

R Khan1, V C Jampala, K Dong

  • 1Department of Psychiatry and Behavioral Sciences, University of Health Sciences, Chicago Medical School, Ill.

The American Journal of Psychiatry
|May 1, 1994
PubMed
Summary
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Tardive dyskinesia, a neurological disorder, significantly impairs speech production, affecting phonation, intelligibility, and speaking rate in psychiatric patients. Structural speech abnormalities were not linked to this condition.

Area of Science:

  • Neurology
  • Psychiatry
  • Speech Science

Background:

  • Tardive dyskinesia is a potential side effect of long-term antipsychotic medication.
  • Understanding its impact on speech is crucial for patient care.

Purpose of the Study:

  • To investigate the relationship between tardive dyskinesia and speech abnormalities.
  • To assess speech apparatus structure and function in psychiatric patients with and without tardive dyskinesia.

Main Methods:

  • Evaluated speech apparatus structure and physiology.
  • Assessed phonation and articulation in 27 chronically ill male psychiatric patients.
  • Correlated findings with the presence or absence of tardive dyskinesia.

Main Results:

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  • Tardive dyskinesia was significantly associated with impaired phonation, reduced speech intelligibility, and altered speech rate.
  • No significant difference in structural or physiological speech apparatus abnormalities was found between patients with and without tardive dyskinesia.

Conclusions:

  • Tardive dyskinesia is linked to substantial deficits in speech production.
  • Speech impairment in tardive dyskinesia appears related to functional rather than structural abnormalities of the speech apparatus.