Encyclopedia of Clinical Neuropsychology

2018 Edition
| Editors: Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan

Apraxia of Speech

  • Julie L. WambaughEmail author
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-57111-9_862

Synonyms

Historically, acquired apraxia of speech (AOS) has been known under a variety of terminological designations (e.g., aphemia, phonemic disintegration, cortical dysarthria, dyspraxia of speech). Currently, there are no acceptable synonyms in use. The descriptor, “stroke induced” (SI), has occasionally been used to specify AOS resulting from stroke (e.g., SI-AOS). Primary progressive apraxia of speech (PPAOS) is used to designate AOS associated with neurodegenerative disease.

Definition

AOS is a neurologic, motoric disorder of speech production that is characterized by slowed rate of speech, difficulties in sound production, and disrupted prosody. AOS is not a disorder of language, although it rarely occurs without aphasia. Consequently, there is no impairment of comprehension or production of language in pure AOS.

Categorization

AOS currently does not have subcategories but is differentiated relative to onset and progression: PPAOS (primary progressive) or AOS/SI-AOS (sudden...

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References and Readings

  1. Ballard, K., Wambaugh, J., Duffy, J., Layfield, C., Maas, E., Mauszycki, S., & McNeil, M. (2015). Updated treatment guidelines for acquired apraxia of speech: A systematic review of intervention research between 2004 and 2012. American Journal of Speech-Language Pathology, 24, 316–337.  https://doi.org/10.1044/2015_AJSLP-14-0118.CrossRefPubMedGoogle Scholar
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  10. Wambaugh, J. L., & Shuster, L. I. (2008). The nature and management of neuromotor speech disorders accompanying aphasia. In R. Chapey (Ed.), Language intervention strategies in aphasia and related neurogenic communication disorders (5th ed., pp. 1009–1042). Philadelphia: Lippincott Williams & Wilkins.Google Scholar
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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Veterans Affairs Salt Lake City Healthcare SystemUniversity of UtahSalt Lake CityUSA