Learning about the functions of the olfactory system from people without a sense of smell.

The olfactory system provides numerous functions to humans, influencing ingestive behavior, awareness of environmental hazards and social communication. Approximately 1/5 of the general population exhibit an impaired sense of smell. However, in contrast to the many affected, only few patients compla...

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Autores principales:	Ilona Croy, Simona Negoias, Lenka Novakova, Basile N Landis, Thomas Hummel
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1d63d8a55f6f4bfe9c3dac2d6332aed5
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spelling	oai:doaj.org-article:1d63d8a55f6f4bfe9c3dac2d6332aed52021-11-18T07:24:36ZLearning about the functions of the olfactory system from people without a sense of smell.1932-620310.1371/journal.pone.0033365https://doaj.org/article/1d63d8a55f6f4bfe9c3dac2d6332aed52012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22457756/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203The olfactory system provides numerous functions to humans, influencing ingestive behavior, awareness of environmental hazards and social communication. Approximately 1/5 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.Ilona CroySimona NegoiasLenka NovakovaBasile N LandisThomas HummelPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 3, p e33365 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ilona Croy Simona Negoias Lenka Novakova Basile N Landis Thomas Hummel Learning about the functions of the olfactory system from people without a sense of smell.
description	The olfactory system provides numerous functions to humans, influencing ingestive behavior, awareness of environmental hazards and social communication. Approximately 1/5 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.
format	article
author	Ilona Croy Simona Negoias Lenka Novakova Basile N Landis Thomas Hummel
author_facet	Ilona Croy Simona Negoias Lenka Novakova Basile N Landis Thomas Hummel
author_sort	Ilona Croy
title	Learning about the functions of the olfactory system from people without a sense of smell.
title_short	Learning about the functions of the olfactory system from people without a sense of smell.
title_full	Learning about the functions of the olfactory system from people without a sense of smell.
title_fullStr	Learning about the functions of the olfactory system from people without a sense of smell.
title_full_unstemmed	Learning about the functions of the olfactory system from people without a sense of smell.
title_sort	learning about the functions of the olfactory system from people without a sense of smell.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/1d63d8a55f6f4bfe9c3dac2d6332aed5
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Learning about the functions of the olfactory system from people without a sense of smell.

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