Brain Neurorehabil.  2011 Mar;4(1):64-68. 10.12786/bn.2011.4.1.64.

Treating Apraxia of Speech (AOS) using the Motor Learning Guided (MLG) Approach: A case report

  • 1Department of Communication Sciences and Disorders, Illinois State University, USA.
  • 2Voice & Speech Clinic, Department of Otorhinolaryngology-Head & Neck Surgery, Dankook University Medical Center, Korea.


The treatments of AOS have been debated since the late 1960s. Despite a considerable amount of study of intervention approaches to AOS, the effectiveness and efficacy of the treatment of AOS is still unclear. This study investigates the effect of motor learning guided (MLG) approach on individuals with AOS. Two individuals with AOS whose severity ranged from mild to moderate participated in this study. Two sets (each 20 utterance) of stimuli were created (based on high functionality) by the participants and their primary care-givers. Subjects were instructed to produce the target word three times with 4-second pause between each attempt. After 3 attempts, the experimenter provided knowledge of results (KR). Each target word was randomly selected from the written stimulus cards. The results showed that the mean scores of all the subjects increased during the sessions and this effect was transferred to the untrained target words.


knowledge of results; motor learning; retention
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