Lateralization of mother-infant interactions in a diverse range of mammal species

被引：71

作者：

Karenina, Karina ^{[1
]}

Giljov, Andrey ^{[1
]}

Ingram, Janeane ^{[2
]}

Rowntree, Victoria J. ^{[3
]}

Malashichev, Yegor ^{[1
,4
]}

机构：

[1] St Petersburg State Univ, Dept Vertebrate Zool, St Petersburg 199034, Russia

[2] Univ Tasmania, Sch Land & Food, Geog & Spatial Sci Discipline, Hobart, Tas 7001, Australia

[3] Univ Utah, Dept Biol, Salt Lake City, UT 84112 USA

[4] Inst Expt Med, Dept Ecol Physiol, Lab Mol Neurobiol, St Petersburg 197376, Russia

来源：

NATURE ECOLOGY & EVOLUTION | 2017年 / 1卷 / 02期

基金：

俄罗斯科学基金会; 俄罗斯基础研究基金会;

关键词：

CRADLING BIAS; BEHAVIORAL LATERALIZATION; SOCIAL LATERALITY; BRAIN; ORIGINS;

D O I：

10.1038/s41559-016-0030

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Left-cradling bias is a distinctive feature of maternal behaviour in humans and great apes, but its evolutionary origin remains unknown. In 11 species of marine and terrestrial mammal, we demonstrate consistent patterns of lateralization in mother-infant interactions, indicating right hemisphere dominance for social processing. In providing clear evidence that lateralized positioning is beneficial in mother-infant interactions, our results illustrate a significant impact of lateralization on individual fitness.

引用

页数：4

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