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首页> 外文期刊>Cognitive Neuropsychiatry >A preliminary investigation of olfactory function in olfactory and auditory-verbal hallucinators with schizophrenia, and normal controls
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A preliminary investigation of olfactory function in olfactory and auditory-verbal hallucinators with schizophrenia, and normal controls

机译：嗅觉和听觉幻觉者合并精神分裂症的嗅觉功能的初步调查

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Introduction. It is well established that people with schizophrenia have impaired olfactory perception. However, another olfactory abnormality that occurs in schizophrenia—olfactory hallucinations (OHs)—has received almost no attention. Methods. This preliminary study compared a small sample of olfactory (OH; n=14) and auditory-verbal (AVH; n=11) hallucinators with schizophrenia, with matched healthy controls (NC; n=21), on tests of odour detection threshold, identification, and hedonics, and bespoke tests relating to possible causes of OHs. Results. Both OH and AVH participants were equally impaired on tests of odour identification, but neither had any impairment in detection. However, although the AVH group had hedonic impairments, these were not evident in the OH and NC groups. Examination of the possible causes of OHs revealed abnormalities in olfactory habituation. In addition, we observed a far greater rate of past episodes of brief unconsciousness in the OH group. Conclusions. The presence of habituation deficits and past episodes of brief unconsciousness, and absence of olfactory affective impairment, have not been identified before as correlates of OHs, suggesting these factors may be worthy of further investigation.View full textDownload full textKeywordsHallucinations, Olfaction, SchizophreniaRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/13546805.2011.633748
机译：介绍。众所周知，精神分裂症患者的嗅觉受损。但是，在精神分裂症中发生的另一种嗅觉异常-嗅觉幻觉（OHs）几乎没有引起注意。方法。这项初步研究比较了嗅觉（OH; n = 14）和口语（AVH; n = 11）幻觉者与精神分裂症的小样本以及相匹配的健康对照（NC; n = 21），以测试气味检测阈值，识别，享乐和与OHs可能原因有关的定制测试。结果。 OH和AVH参与者在气味识别测试中均受到同等损害，但在检测上均没有任何损害。但是，尽管AVH组有享乐性障碍，但在OH和NC组中并不明显。检查OHs的可能原因后发现嗅觉习惯异常。此外，我们观察到OH组过去短暂的意识丧失事件的发生率更高。结论。以前尚未发现习惯性缺陷的存在和短暂的意识丧失的发作以及嗅觉情感障碍的缺乏与OHs的相关性，这提示这些因素可能值得进一步研究。查看全文下载全文关键词Hallucinations，Olfaction，SchizophreniaRelated var addthis_config = {ui_cobrand：“ Taylor＆Francis Online”，servicescompact：“ citeulike，netvibes，twitter，technorati，delicious，linkedin，facebook，stumbleupon，digg，google，更多”，发布：“ ra-4dff56cd6bb1830b”}；添加到候选列表链接永久链接http://dx.doi.org/10.1080/13546805.2011.633748

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