Verbal perseveration of dementia patients

Kathryn A. Bayles, Cheryl K. Tomoeda, Alfred W. Kaszniak, Lawrence Z. Stern, Karen K. Eagans

Research output: Contribution to journalArticlepeer-review

87 Scopus citations


Patterns of perseveration and frequency of carrier phrases were studied in the verbal descriptive discourse of dementia patients controlled for etiology and severity. Dementia patients were found to perseverate significantly more frequently than normals and severity of dementia was more strongly associated than etiology with increased perseveration. Frequency of carrier phrases did not distinguish the descriptive discourse of dementia patients from normals. Discontinuous perseveration was more common than continuous perseveration, and perseveration of ideas after an intervening response was the perseverate most typical of the dementia patient. Findings of the study are related to prominent theories of the cause of perseveration.

Original languageEnglish (US)
Pages (from-to)102-116
Number of pages15
JournalBrain and Language
Issue number1
StatePublished - May 1985

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Language and Linguistics
  • Linguistics and Language
  • Cognitive Neuroscience
  • Speech and Hearing


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