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A Short Glance at the Role of Olfaction in Depression

Journal: Archives of Depression and Anxiety (Vol.3, No. 2)

Publication Date:

Authors : ; ;

Page : 055-057

Keywords : ;

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Abstract

Depression as one kind of neuropsychiatric disorder affects tons of population in the world and exerts great economic and social burden. Great efforts have been made during the past decades aiming to decipher the underlying mechanism of this mental disease. Different kinds of mechanisms underlie depression, among which malfunctions in the olfactory system is one important reason. The occurrence of depression has a close association with dysfunctions in the olfactory system, which is highlighted by some brain regions responsible for depression overlapping with areas playing crucial roles in olfaction. The close relationship between olfactory malfunctions and depression is also underscored by the evidence that some patients with depression exhibited a higher probability of odor identification impairment and a reduced olfactory sensitivity as well as smaller olfactory bulb volumes. For reasons of concise and clarity,in the current review we only briefly summarized some key recent studies pertaining to the relationship between the dysfunctional olfaction and depression, to underscore potentially crucial roles of the normal olfactory system function in ameliorating the probability of the occurrence of depression.

Last modified: 2018-09-14 15:32:32