경도인지장애와 치매 환자에서 숫자 거꾸로 따라하기로 측정한 작업기억에 대한 우울증의 영향

• 영문명: Influence of Depression on Working Memory Measured by Digit Backward Span in the Subjects with Mild Cognitive Impairment and Dementia
• 발행기관: 대한노인정신의학회
• 저자명: 노양호(Yang-Ho Roh) 김민재(Min-Jea Kim) 김채리(Chae-Ri Kim) 박진완(Jin-Wan Park) 이연정(Yeon-Jung Lee) 우성일(Sungil Woo) 한상우(Sang Woo Hahn) 황재욱(Jaeuk Hwang)
• 간행물 정보: 『노인정신의학』노인정신의학 제19권 제2호, 1~7쪽, 전체 7쪽
• 주제분류: 의약학 > 정신과학
• 파일형태: PDF
• 발행일자: 2015.10.30

영문 초록

Objective：We aimed to explore the influence of depression on working memory in patients with mild cognitive impairment (MCI) and dementia. Methods：Clinical and neuropsychological data of 43 subjects with mild cognitive impairment (MCI) (n=17) and dementia (n= 26) who had visited Department of Psychiatry at Soonchunhyang University Seoul Hospital, were collected. The subjects were di-vided into depressed (n=18) and non-depressed (n=25) groups based on the Korean version of Short Geriatric Depression Scale. Two-way analysis of variance test was conducted to evaluate the influence of diagnosis (MCI and dementia), the presence of depres-sion and their interaction on working memory which was measured by digit forward and backward span test. Results：Among the patients with MCI, test score of digit backward span test in depressed group was significantly lower than in non-depressed group. However, among the patients with dementia, there was no significant difference in digit backward span test between depressed and non-depressed groups. Conclusion：This study suggests that the depression could deteriorate working memory measured by digit backward span test in patients with MCI, relative to in patients with dementia and it also implicates the diagnostic assessment for depression has clinically importance in patients with MCI.

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키워드

Depression Mild cognitive impairment Dementia Working memory 우울증 경도인지장애 치매 작업기억.