期刊
AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY
卷 20, 期 2, 页码 95-110出版社
AMER SPEECH-LANGUAGE-HEARING ASSOC
DOI: 10.1044/1058-0360(2011/09-0005)
关键词
childhood apraxia of speech; motor learning; speech sound disorder; therapy; intensity
Purpose: This study explores the importance of production frequency during speech therapy to determine whether more practice of speech targets leads to increased performance within a treatment session, as well as to motor learning, in the form of generalization to untrained words. Method: Two children with childhood apraxia of speech were treated with an alternating treatment AB design, with production frequency differing in the 2 treatments. The higher production frequency treatment required 100+ productions in 15 min, while the moderate-frequency treatment required 30-40 productions in the same time period. One child was treated 3 times weekly for 11 weeks; the other child was treated twice weekly for 5 weeks. At the conclusion of each treatment phase, 5 min of probes were administered to determine whether generalization had occurred. Maintenance data to measure performance and learning were collected after a break from treatment. Results: Both children showed improvement on all targets; however, the targets with the higher production frequency treatment were acquired faster, evidenced by better in-session performance and greater generalization to untrained probes. Conclusions: Both treatment designs were effective, though frequent and intense practice of speech resulted in more rapid response to treatment in 2 children whose primary communication difficulty was childhood apraxia of speech.
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