Semin Speech Lang 2002; 23(4): 281-292
DOI: 10.1055/s-2002-35801
Copyright © 2002 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA. Tel.: +1(212) 584-4662

Assessment of AOS for Treatment Planning

Kirrie J. Ballard1 , Donald A. Robin2
  • 1Department of Speech Pathology and Audiology, University of Iowa, Iowa City, Iowa
  • 2Department of Communicative Disorders, San Diego State University and Joint Doctoral Program in Language and Communication Disorders, University of California at San Diego and San Diego State University, San Diego, California
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03. Dezember 2002 (online)


Assessment of speech involves profiling a disorder, possibly at multiple levels, as well as interpreting that information to determine direction for treatment. Assessment of perceptual, acoustic, and physiological characteristics of apraxic speech is discussed, identifying the specific information that is contributed at each level. A combination of methods is advocated because each level of analysis provides the clinician with unique information. Perceptual analyses identify deviations from normal-sounding speech, whereas acoustic and physiological analyses can help provide insight into the underlying cause of perceptual abnormality. The latter can also identify abnormality that may not be detected perceptually but may be interfering with performance. Applications of the different assessment levels and methods to developing treatments and measuring outcome are addressed.


1 *In the more severe cases of AOS, when time for treatment is limited, or if the patient chooses, the clinician may select a treatment approach that focuses on compensation (e.g., alternative communication modes). Such treatments are not directly involved with influencing the motor speech system and so are not considered here.