Clinicoanatomic Studies in Dysarthria: Review, Critique, and Directions for Research

Ray D. Kent, Joseph R. Duffy, Angela Slama, Jane F. Kent, Amy Clift

Research output: Contribution to journalArticlepeer-review

41 Scopus citations


More than 30 years ago, Darley, Aronson, and Brown (1969) proposed clinicoanatomic correlations for seven perceptual types of dysarthria. These correlations have not been systematically re-examined even though imaging technologies developed in recent years provide the means to do so. This review considers data from published imaging studies as well as data from selected medical interventions to evaluate the current state of knowledge that relates lesion site to the nature of a speech disturbance. Although the extant data are not sufficient to allow a complete evaluation of the seven types of dysarthria described by Darley et al., relevant information has been reported on lesions of the pyramidal pathway, extrapyramidal pathway, and cerebellum. In general, the results are best explained by an equivalence mode of brain-behavior relationship in which a type of dysarthria is associated with a lesion in one of two or more brain structures. Criteria also are proposed for future studies of clinicoanatomic relationships in neurogenic communication disorders.

Original languageEnglish (US)
Pages (from-to)535-551
Number of pages17
JournalJournal of Speech, Language, and Hearing Research
Issue number3
StatePublished - Jun 2001


  • Clinicoanatomic studies
  • Dysarthria
  • Neuroimaging
  • Neurologic disorders
  • Speech disorder

ASJC Scopus subject areas

  • Language and Linguistics
  • Linguistics and Language
  • Speech and Hearing


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