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What does the nose know? Olfactory function predicts social network size in human

Olfaction is an important medium of social communication in humans. However, it is not known whether olfactory function is associated with social network size. This study aimed to explore the underlying neural mechanism between olfactory function and social network. Thirty-one healthy individuals pa...

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Detalles Bibliográficos
Autores principales: Zou, Lai-quan, Yang, Zhuo-ya, Wang, Yi, Lui, Simon S. Y., Chen, An-tao, Cheung, Eric F. C., Chan, Raymond C. K.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4842975/
https://www.ncbi.nlm.nih.gov/pubmed/27109506
http://dx.doi.org/10.1038/srep25026
Descripción
Sumario:Olfaction is an important medium of social communication in humans. However, it is not known whether olfactory function is associated with social network size. This study aimed to explore the underlying neural mechanism between olfactory function and social network. Thirty-one healthy individuals participated in this study. Social network size was estimated using the Social Network Index. Olfactory function was assessed with the Sniffin’ Stick Test. The results showed that there is a significant positive correlation between the size of an individual’s social network and their olfactory sensitivity. We also found that amygdala functional connectivity with the orbitofrontal cortex appeared to be related to olfactory sensitivity and social network size.