알츠하이머병과 혈관성 치매의 중증도에 따른 대면이름대기 능력과 어휘유창성
Confrontation Naming and Verbal Fluency of Alzheimer’s Disease and Vascular Dementia
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초록
Purpose: Alzheimer’s disease (AD) and vascular dementia (VaD) are representative dementia types that account for more than 70% to 80% of all dementia. However, these two types of dementia have different deterioration patterns as dementia progresses. This study conducted confrontation naming and verbal fluency tasks among AD and VaD patients diagnosed as the mild or moderate stages. Methods: 20 patients with AD (10 mild, 10 moderate), 20 patients with VaD (10 mild, 10 moderate), and 10 normal elderly persons performed the Korean version-Boston Naming Test and verbal fluency tasks (semantic and phonemic). Results: Patients with AD and VaD showed significantly lower performance in confrontation naming, semantic verbal fluency, and phonemic verbal fluency tasks than normal elderly persons. However, patients with AD demonstrated marked impairment in confrontation naming and semantic verbal fluency even in the mild stage, and showed a sharp deterioration in the course of the disease from the mild to moderate stage. On the other hand, patients with VaD revealed a significant decrease in phonemic verbal fluency from the mild stage. Conclusion: As a result, AD and VaD differ in their deterioration patterns as revealed by confrontation naming and verbal fluency tasks according to the progression of the disease. Therefore, it is possible to make a more accurate and early diagnosis regarding dementia subtypes by comparing the performance of confrontation naming, semantic and phonemic verbal fluency tasks. This may also be helpful in designing an effective intervention plan by predicting the impairment pattern.
Abstract
Purpose: Alzheimer’s disease (AD) and vascular dementia (VaD) are representative dementia types that account for more than 70% to 80% of all dementia. However, these two types of dementia have different deterioration patterns as dementia progresses. This study conducted confrontation naming and verbal fluency tasks among AD and VaD patients diagnosed as the mild or moderate stages. Methods: 20 patients with AD (10 mild, 10 moderate), 20 patients with VaD (10 mild, 10 moderate), and 10 normal elderly persons performed the Korean version-Boston Naming Test and verbal fluency tasks (semantic and phonemic). Results: Patients with AD and VaD showed significantly lower performance in confrontation naming, semantic verbal fluency, and phonemic verbal fluency tasks than normal elderly persons. However, patients with AD demonstrated marked impairment in confrontation naming and semantic verbal fluency even in the mild stage, and showed a sharp deterioration in the course of the disease from the mild to moderate stage. On the other hand, patients with VaD revealed a significant decrease in phonemic verbal fluency from the mild stage. Conclusion: As a result, AD and VaD differ in their deterioration patterns as revealed by confrontation naming and verbal fluency tasks according to the progression of the disease. Therefore, it is possible to make a more accurate and early diagnosis regarding dementia subtypes by comparing the performance of confrontation naming, semantic and phonemic verbal fluency tasks. This may also be helpful in designing an effective intervention plan by predicting the impairment pattern.
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