Body odours as a chemosignal in the mother–child relationship: new insights based on an human leucocyte antigen-genotyped family cohort
Body odours as a chemosignal in the mother–child relationship: new insights based on an human leucocyte antigen-genotyped family cohort
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体味作为母子关系中的化学信号:基于人类白细胞抗原基因分型的家庭队列的新见解
DOI:
10.1098/rstb.2019.0266
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Schmidt
中科院分区:
文献类型:
--
作者:
Schäfer;Sorokowska;Sauter;Schmidt
Mothers are able to identify the body odour (BO) of their own child and prefer this smell above other BOs. It has hence been assumed that the infantile BO functions as a chemosignal promoting targeted parental care. We tested this hypothesis and examined whether children's BOs signal genetic similarity and developmental status to mothers. In addition, we assessed whether BOs facilitate inbreeding avoidance (Westermarck effect). In a cross-sectional design,N= 164 mothers participated with their biological children (N= 226 children, aged 0–18 years) and evaluated BO probes of their own and four other, sex-matched children. Those varied in age and in genetic similarity, which was assessed by human leucocyte antigen profiling. The study showed not only that mothers identified and preferred their own child's BO, but also that genetic similarity and developmental status are transcribed in BOs. Accordingly, maternal preference of their own child's odour changes throughout development. Our data partly supported the Westermarck effect: mothers' preference of pubertal boys' BOs was negatively related to testosterone for the own son, but not for unfamiliar children.This article is part of the Theo Murphy meeting issue ‘Olfactory communication in humans’.
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2011-07-01
影响因子:
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作者:
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