[Processing facial identity and emotional expression in normal aging and neurodegenerative diseases].

Laurence Chaby, Pauline Narme
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引用次数: 25

Abstract

The ability to recognize facial identity and emotional facial expression is central to social relationships. This paper reviews studies concerning face recognition and emotional facial expression during normal aging as well as in neurodegenerative diseases occurring in the elderly. It focuses on Alzheimer's disease, frontotemporal and semantic dementia, and also Parkinson's disease. The results of studies on healthy elderly individuals show subtle alterations in the recognition of facial identity and emotional facial expression from the age of 50 years, and increasing after 70. Studies in neurodegenerative diseases show that - during their initial stages - face recognition and facial expression can be specifically affected. Little has been done to assess these difficulties in clinical practice. They could constitute a useful marker for differential diagnosis, especially for the clinical differentiation of Alzheimer's disease (AD) from frontotemporal dementia (FTD). Social difficulties and some behavioural problems observed in these patients may, at least partly, result from these deficits in face processing. Thus, it is important to specify the possible underlying anatomofunctional substrates of these deficits as well as to plan suitable remediation programs.

[正常衰老和神经退行性疾病中面部识别和情绪表达的加工]。
识别面部身份和情感面部表情的能力是社会关系的核心。本文综述了正常衰老过程中人脸识别和情绪面部表情的研究以及老年人发生的神经退行性疾病。它的重点是阿尔茨海默病,额颞叶和语义性痴呆,以及帕金森病。对健康老年人的研究结果表明,从50岁开始,老年人对面部身份和面部表情的识别发生了微妙的变化,70岁以后这种变化有所增加。神经退行性疾病的研究表明,在它们的初始阶段,面部识别和面部表情会受到特别的影响。很少有人在临床实践中评估这些困难。它们可能构成鉴别诊断的有用标记,特别是用于阿尔茨海默病(AD)与额颞叶痴呆(FTD)的临床鉴别。在这些患者中观察到的社交困难和一些行为问题可能,至少部分是由这些面部处理缺陷造成的。因此,明确这些缺陷可能潜在的解剖学功能基础以及制定合适的修复方案是很重要的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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