Effects of Treatment for Sound Errors in Apraxia of Speech and Aphasia This investigation was designed to examine the acquisition, generalization, and maintenance effects of a treatment for sound errors in speakers with co-occurring apraxia of speech and aphasia. Three speakers with chronic apraxia of speech and aphasia were studied in the context of a multiple baseline design across speakers and behaviors. ... Research Article
Research Article  |   August 1998
Effects of Treatment for Sound Errors in Apraxia of Speech and Aphasia
 
Author Affiliations & Notes
  • Julie L. Wambaugh
    University of Utah and Salt Lake City VA Medical Center
  • Michelene M. Kalinyak-Fliszar
    Pittsburgh VA Health Care System Pittsburgh, PA
  • Joan E. West
    Pittsburgh VA Health Care System Pittsburgh, PA
  • Patrick J. Doyle
    Pittsburgh VA Health Care System Pittsburgh, PA
  • Contact author: Julie L. Wambaugh, PhD, Department of Communication Disorders, 390 South 1530 East, Room 1201, Behavioral Sciences Building, University of Utah, Salt Lake City, UT 84112-0252
  • Currently affiliated with Moss Rehabilitation Hospital, Philadelphia, PA
    Currently affiliated with Moss Rehabilitation Hospital, Philadelphia, PA×
Article Information
Speech, Voice & Prosodic Disorders / Apraxia of Speech & Childhood Apraxia of Speech / Language Disorders / Aphasia / Speech / Research Articles
Research Article   |   August 1998
Effects of Treatment for Sound Errors in Apraxia of Speech and Aphasia
Journal of Speech, Language, and Hearing Research, August 1998, Vol. 41, 725-743. doi:10.1044/jslhr.4104.725
History: Received April 25, 1997 , Accepted February 9, 1998
 
Journal of Speech, Language, and Hearing Research, August 1998, Vol. 41, 725-743. doi:10.1044/jslhr.4104.725
History: Received April 25, 1997; Accepted February 9, 1998

This investigation was designed to examine the acquisition, generalization, and maintenance effects of a treatment for sound errors in speakers with co-occurring apraxia of speech and aphasia. Three speakers with chronic apraxia of speech and aphasia were studied in the context of a multiple baseline design across speakers and behaviors. Treatment combined the use of minimal contrast pairs with traditional sound production training techniques such as integral stimulation and articulatory placement cueing and was applied sequentially to sounds that were determined to be consistently in error before training. Results revealed increased correct sound productions for all speakers in trained and untrained words. Response generalization effects across sounds and stimulus generalization effects varied, but appeared to be limited for most speakers. Although positive maintenance effects were evidenced, some loss of treatment gains was noted following cessation of treatment.

Acknowledgments
This research was supported by Rehabilitation Research and Development, Department of Veterans Affairs. The authors wish to thank all of the speakers for their dedication to rehabilitation and their patience with the research process. It was truly a pleasure to know and work with all of them. Additionally, the authors want to thank Cynthia and Frank Bloise for developing the program used to randomize the experimental stimuli and Amy Goda, David Griffith, and Vicki Partridge for their assistance with this investigation.
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