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The generalization effect of semantic category-based working memory treatment on sentence comprehension and word fluency in individuals with aphasia

Title
The generalization effect of semantic category-based working memory treatment on sentence comprehension and word fluency in individuals with aphasia
Authors
Son H.J.Sung J.E.
Ewha Authors
성지은
SCOPUS Author ID
성지은scopus
Issue Date
2016
Journal Title
Communication Sciences and Disorders
ISSN
2288-1328JCR Link
Citation
vol. 21, no. 1, pp. 174 - 192
Keywords
AphasiaSemantic categorySentence comprehensionWord fluencyWorking memory
Publisher
Korean Academy of Speech-Language Pathology and Audiology
Indexed
SCOPUS scopus
Abstract
Objectives: The purpose of this study was to examine the generalization effect of semantic category-based working memory (SCWM) treatment on sentence comprehension and word fluency in persons with aphasia. It was predicted that SCWM treatment would enhance working memory capacity and increase sentence comprehension ability and word fluency in patients with aphasia. Methods: Seven Korean individuals with mild to moderate aphasia caused by left hemisphere stroke participated in this study. The interventions were provided in 16 sessions, approximately half an hour per day 2 to 3 times a week. Treatment protocol consisted of an SCWM span task and 4 cues: telling a word list to the participants, showing the participants category cards, showing the participants random word cards, and asking the participants to match category and word cards. A pretest-posttest design was used. Pre-post comparisons were analyzed with the Wilcoxon signed-ranks test. Results: There were significant score increases in the SCWM span task. Furthermore, the SCWM treatment effects were generalized to sentence comprehension ability, categorical word fluency, and working memory span with word forward repetition tasks. Conclusion: The current study suggests that SCWM treatment is effective in enhancing working memory capacity for people with aphasia. Furthermore, the treatment effects were generalized to sentence comprehension ability and categorical word fluency in these patients. The results indicate that working memory is an underlying mechanism associated with sentence comprehension and categorical word fluency and is a critical factor to be considered in language treatment for persons with aphasia. © 2016 Korean Academy of Speech-Language Pathology and Audiology.
DOI
10.12963/csd.16296
Appears in Collections:
사범대학 > 언어병리학과 > Journal papers
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