Comparison of the Speech Performance of Thai Adults with Apraxia of Speech and Thai Adults with Normal Speech by Using the Apraxia Test for Thai Adults
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Abstract
Objective: To measure and analyze the speech performance score of adults with apraxia of speech (AOS) and adults with normal speech and to compare the speech performance scores of both groups.
Methods: The study was conducted at the Speech Clinic in Ramathibodi Hospital. Participants were divided into two groups. The measurements of speech performance were obtained by using the Apraxia Test for Thai Adults. The test results were analyzed by using descriptive statistics and a Mann-Whitney U test for a comparison of the speech performance scores of both groups.
Results: The results showed that the group of adults with normal speech had higher scores on all subtests than the group of adults with apraxia of speech (AOS). The results also showed that the group of adults with normal speech had statistically significant differences (p-value < .05) on subtests I, II, III, IV, and some tasks in subtests V, VI, and VII. The group of adults with AOS had more difficulties with both speech and nonspeech tasks than the group of adults with normal speech.
Conclusion: Adults with AOS showed the adverse effects of the impairment on their speech performance scores. They had more difficulties in moving their articulators to produce speech sounds while adults with normal speech did not have impaired movements of their articulators or restricted speech production.
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