Reduced Olfactory Memory Performance Is Associated with Executive Function Deficits in Older Adults.

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-07-01 DOI:10.1080/0361073X.2022.2122651

Carina Schlintl, Anne Schienle

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引用次数: 3

Abstract

Introduction: Previous research has identified an association between olfactory impairment (reduced odor sensitivity/ identification/ discrimination) and cognitive impairment in older adults. The present study focused on the relationship between olfactory memory performance and cognitive/affective functioning.

Method: Recognition performance for olfactory and visual stimuli (control condition) was tested through a matching task in older adults (n = 44; M_age = 76 years) and younger adults (n = 56; M_age = 24 years). Additionally, negative affect (anxiety, depression) and cognitive functioning were assessed via validated questionnaires and a neuropsychological test battery.

Results: The older participants performed worse than the younger adults in the olfactory memory task. In older adults, difficulties in remembering odors were associated with reduced odor identification and executive functioning (reduced cognitive flexibility). Affective well-being was not related to olfactory memory performance.

Implication: Olfactory memory impairment in older adulthood might be a marker for cognitive decline in areas related to executive functions.

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老年人嗅觉记忆能力下降与执行功能缺陷有关。

先前的研究已经确定了老年人嗅觉障碍(气味敏感性/识别/辨别能力降低)与认知障碍之间的联系。本研究的重点是嗅觉记忆表现与认知/情感功能之间的关系。方法:通过配对任务测试老年人嗅觉和视觉刺激(对照条件)的识别能力(n = 44;年龄76岁)和更年轻的成年人(n = 56;法师= 24年)。此外，负面影响(焦虑、抑郁)和认知功能通过有效的问卷调查和神经心理学测试进行评估。结果:老年人在嗅觉记忆任务中的表现比年轻人差。在老年人中，记忆气味的困难与气味识别和执行功能的降低(认知灵活性降低)有关。情感幸福感与嗅觉记忆表现无关。提示:老年嗅觉记忆障碍可能是执行功能相关区域认知能力下降的标志。

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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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.