Learning about the functions of the olfactory system from people without a sense of smell.
Learning about the functions of the olfactory system from people without a sense of smell.
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DOI：
10.1371/journal.pone.0033365
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发表时间：
2012
期刊：
影响因子：
3.7
通讯作者：
Hummel T
中科院分区：
文献类型：
--
作者：
Croy I;Negoias S;Novakova L;Landis BN;Hummel T
嗅觉系统为人类提供了许多功能，影响摄食行为，环境危害意识和社会沟通。大约有一半的人表现出嗅觉受损。然而，与许多受影响的患者相比，只有少数患者抱怨他们的损害。那么，拥有完整的嗅觉对人类来说有多重要呢？或者它甚至是可有可无的，至少在西方世界是这样？为了研究这一点，我们比较了32名出生时没有嗅觉的患者（孤立性先天性嗅觉缺失- ICA）和36名年龄匹配的对照组。采用广泛的问卷调查，包括日常生活中与嗅觉相关的领域，以及社会关系问卷和bdi问卷。在与嗅觉相关的日常生活功能方面，ica患者与对照组仅略有不同。这些差异包括社会不安全感增强、抑郁症状风险增加和家庭事故风险增加。在这些领域中，嗅觉似乎起着关键作用。
The olfactory system provides numerous functions to humans, influencing ingestive behavior, awareness of environmental hazards and social communication. Approximately ⅕ of the general population exhibit an impaired sense of smell. However, in contrast to the many affected, only few patients complain of their impairment. So how important is it for humans to have an intact sense of smell? Or is it even dispensable, at least in the Western world? To investigate this, we compared 32 patients, who were born without a sense of smell (isolated congenital anosmia - ICA) with 36 age-matched controls. A broad questionnaire was used, containing domains relevant to olfaction in daily life, along with a questionnaire about social relationships and the BDI-questionnaire. ICA-patients differed only slightly from controls in functions of daily life related to olfaction. These differences included enhanced social insecurity, increased risk for depressive symptoms and increased risk for household accidents. In these domains the sense of olfaction seems to play a key role.
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