Psycholinguistic and motor theories of apraxia of speech.

Full Abstract

This article sketches the relationships between modern conceptions of apraxia of speech (AOS) and current models of neuromotor and neurolinguistic disorders. The first section is devoted to neurophysiological perspectives of AOS, and its relation to dysarthrias and to limb apraxia is discussed. The second section introduces the logogen model and considers AOS in relation to supramodal aspects of aphasia. In the third section, AOS with the background of psycholinguistic models of spoken language production, including the Levelt model and connectionist models, is discussed. In the fourth section, the view of AOS as a disorder of speech motor programming is discussed against the background of theories from experimental psychology. The final section considers two models of speech motor control and their relation to AOS. The article discusses the strengths and weaknesses of these approaches.

Author information

Author/s: Ziegler, Wolfram (W);

Affiliation: EKN-Clinical Neuropsychology Research Group, Department of Neuropsychology, City Hospital Bogenhausen, Munich, Germany. wolfram.ziegler(-atsign-)extern.lrz-muenchen.de

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review

Journal: Seminars in speech and language (Semin Speech Lang), published in United States. (Language: eng)

Reference: 2002-Nov; vol 23 (issue 4) : pp 231-44

Dates: Created 2002/12/03; Completed 2003/03/21; Revised 2006/11/15;

PMID: 12461723, status: MEDLINE (last retrieval date: 2/18/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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