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Effects of Verb Network Strengthening Treatment on retrieval of verbs and nouns in persons with aphasia

Title
Effects of Verb Network Strengthening Treatment on retrieval of verbs and nouns in persons with aphasia
Authors
Kwaga E.J.Sung J.E.Kim Y.-H.Cheon H.-J.
Ewha Authors
성지은
SCOPUS Author ID
성지은scopus
Issue Date
2014
Journal Title
Communication Sciences and Disorders
ISSN
2288-1328JCR Link
Citation
vol. 19, no. 1, pp. 89 - 98
Keywords
AphasiaVerb namingVerb Network Strengthening Treatment (VNeST)
Publisher
Korean Academy of Speech-Language Pathology and Audiology
Indexed
SCOPUS scopus
Abstract
Objectives: The Verb Network Strengthening Treatment (VNeST) is a semantic treatment to improve lexical retrieval of content words in sentence context by promoting systematic retrieval of verbs and their thematic roles. The purpose of this study was to examine the effects of VNeST on Korean individuals with mild to moderate aphasia. Methods: Three Korean individuals with aphasia due to a stroke in the left hemisphere participated in the study. The treatment followed the steps of 1) naming of the target verbs, 2) generation of three agents or themes for target verb, 3) generation of corresponding agents or theme, 4) answering to wh-questions about agent-theme pairs, 5) semantic judgment of each sentence, and 6) naming of the target verbs. Multiple-baseline design across participants was employed. Effect sizes of the treatment were also obtained. Results: Results demonstrated medium to large effect sizes on trained verbs in all participants. They also presented generalization effects on untrained verbs. In addition, participants exhibited better performance on noun naming tasks, and aphasia quotient increased in the post-treatment phases compared to the pre-treatment phase. Conclusion: The current study suggested that the VNeST was effective for individuals with aphasia. The results were consistent with previous findings from English speaking individuals with aphasia. Further studies are required to validate the treatment efficacy by including more participants with various severity and types of aphasia. © 2014 Korean Academy of Speech-Language Pathology and Audiology.
DOI
10.12963/csd.14119
Appears in Collections:
사범대학 > 언어병리학과 > Journal papers
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