Dynamic aphasia as a variant of frontotemporal dementia

Research output: Contribution to journalArticlepeer-review


We describe two individuals with progressive verbal difficulty who exhibited impairment of propositional language, with relatively well-preserved auditory comprehension, naming, and repetition -a profile that is consistent with dynamic aphasia. By providing a brief review of pertinent literature and the results from our neurologic, speech and language, neuropsychological, and neuroimaging testing, this report sheds light on the infrequently reported dynamic aphasia in the context of frontotemporal dementia. Our patients' insights into their verbal difficulty tend to support the notion that dynamic aphasia results from interference at the stage where thoughts are converted into verbal messages-that is, the thought-verbal interface.

Original languageEnglish (US)
Pages (from-to)303-318
Number of pages16
JournalCognitive and Behavioral Neurology
Issue number4
StatePublished - Dec 2 2021


  • Dynamic aphasia
  • Frontotemporal dementia
  • Left frontal lobe
  • Primary progressive aphasia
  • Propositional language

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Cognitive Neuroscience
  • Psychiatry and Mental health


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