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KMID : 1036820130180020152
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Communication Sciences & Disorders
2013 Volume.18 No. 2 p.152 ~ p.162
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Executive attention characteristics in adults with aphasia
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Kwon Yeong-Suk
Ha Ji-Wan
Kwon Do-Ha
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Abstract
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Objectives: There are currently studies that approach aphasia in relations to other cognitive deficits, particularly for attention disorders, as well as damages of the language system itself. Executive attention is regarded as a sub-element of working memory in addition to storage and processing. Based on this research trend, this paper examines aphasia patients’ executive attention and analyzes relationship between executive attentions and language abilities.
Methods: The Stroop task was conducted to the participants in aphasia group(n=15) and a normal group (n=15) of this study. The Stroop task was modified into computerized-pointing tasks in consideration of aphasic patients’ characteristics. The task systematically manipulates the congruent conditions (congruent vs. incongruent) and the proportions of congruency (25% vs. 75%). Reaction time (conflict resolution) and wrong response rates (goal maintenance) were compared between two groups, and a correlation between verbal language and execution attentions scores was being analyzed.
Results: There were no differences between two groups of reaction time (conflict resolution), but wrong response rates (goal maintenance) of aphasia group was significantly lower than those of normal group. There was no significant correlation between executive attentions and language abilities of the aphasia group.
Conclusion: People with aphasia appear to show diverse performances in a cognitive test including executive attention, and therefore it is difficult to predict language abilities of aphasic patients with only a cognitive test. Therefore, this paper suggests that in order to understand overall cognitive-language processing abilities of aphasic patients, both a comprehensive language test and a cognitive test should be conducted.
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KEYWORD
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Aphasia, Executive attention, Language
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