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词汇检索还是语义知识?哪一个导致轻度和中度阿尔茨海默病患者的命名错误?

Lexical Retrieval or Semantic Knowledge? Which One Causes Naming Errors in Patients with Mild and Moderate Alzheimer's Disease?

作者信息

Salehi Masoome, Reisi Mohsen, Ghasisin Leila

机构信息

Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran.

Department of Neurology, Amin Hospital, Isfahan, Iran.

出版信息

Dement Geriatr Cogn Dis Extra. 2017 Nov 30;7(3):419-429. doi: 10.1159/000484137. eCollection 2017 Sep-Dec.

Abstract

BACKGROUND

The purpose of the study was to analyze naming errors in patients with Alz-heimer's disease in comparison to healthy subjects and determine the underlying cause of naming errors in these patients.

METHOD

In this study, we included 35 healthy elderly subjects, 23 patients with mild Alzheimer's disease, and 23 with moderate Alzheimer's disease. Forty-five images were used to determine the type of naming errors, and to identify the underlying cause of errors, matching an image with a written word was used.

RESULTS

Patients with Alz-heimer's disease had more naming errors compared with the group of healthy elderly, and patients with moderate Alzheimer's disease showed a slower reaction in matching an image with a written word.

CONCLUSION

Anomia in the initial phase of Alzheimer's disease is due to problems in lexical retrieval; however, as the disease advances, in addition to lexical retrieval problems, conceptual knowledge causes naming problems.

摘要

背景

本研究的目的是分析阿尔茨海默病患者与健康受试者相比的命名错误情况,并确定这些患者命名错误的潜在原因。

方法

在本研究中,我们纳入了35名健康老年受试者、23名轻度阿尔茨海默病患者和23名中度阿尔茨海默病患者。使用45张图片来确定命名错误的类型,并通过将图片与书面文字匹配来识别错误的潜在原因。

结果

与健康老年组相比,阿尔茨海默病患者有更多的命名错误,且中度阿尔茨海默病患者在将图片与书面文字匹配时反应更慢。

结论

阿尔茨海默病初期的命名障碍是由于词汇检索问题;然而,随着疾病进展,除了词汇检索问题外,概念知识也会导致命名问题。

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