Old-age deficits in the sense of smell as gauged by thresholds, magnitude matching, and odor identification.
Old-age deficits in the sense of smell as gauged by thresholds, magnitude matching, and odor identification.
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通过阈值、幅度匹配和气味识别来衡量老年嗅觉缺陷。
DOI：
10.1037//0882-7974.2.1.36
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发表时间：
1987
影响因子：
3.7
通讯作者：
Cain,WS
中科院分区：
文献类型：
--
作者：
Stevens,JC;Cain,WS
20 名老年受试者（70-90 岁）和 20 名年轻对照受试者（18-24 岁）接受了三种嗅觉测试：三种气味剂（d-柠檬烯、丁酸异戊酯、苯甲醛）的绝对阈值、这些气味剂与盐味的强度匹配以及 30 种常见物质的气味识别。对于所有三种气味，老年受试者的 d-柠檬烯平均阈值显着超过年轻人约九倍，苯甲醛约三倍，丁酸异戊酯约两倍。这些阈值差异预测了为老年人和年轻人引起高于阈值的相同估计气味强度所需的近似浓度差异。即使给受试者提供四种选择来选择正确的标签，年轻受试者在气味识别方面的得分也高于老年人。嗅觉功能未受损的情况在老年人中并不常见。相关测试表明，作为一个群体，年轻人具有更好的嗅觉能力，并且表现出更多的个体间一致性。
Twenty elderly subjects (70–90 years old) and 20 young control subjects (18–24 years old) underwent three kinds of olfactory testing: absolute thresholds to three odorants (d-limonene, iso-amyl butyrate, benzaldehyde), magnitude matching of these odorants to salt tastes, and odor identification of 30 common substances. For all three odorants elderly subjects' mean threshold significantly exceeded that of the young by about ninefold for d-limonene, about threefold for benzaldehyde, and about twofold for iso-amyl butyrate. These threshold differences predict approximate concentration differences necessary to arouse the same estimated odor strength above the threshold for the elderly and the young. Young subjects also scored better than the elderly in odor identification, even when subjects were given four alternatives from which to select the correct label. Unimpaired olfactory functioning is uncommon in the elderly; correlational tests show that as a group the young have better olfactory ability and show more interindividual uniformity.
耳鼻喉科档案
DOI：
--
发表时间：
1985
期刊：
影响因子：
--
作者：
N. Surgery
通讯作者：
N. Surgery
衰老中枢神经系统的临床、形态学和神经化学方面
DOI：
--
发表时间：
1975
期刊：
影响因子：
--
作者：
H. Brody;D. Harman;J. Ordy
通讯作者：
J. Ordy
老年人的感觉系统和沟通
影响因子：
4.8
作者：
J. Ordy;K. Brizzee
通讯作者：
K. Brizzee