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

Karenina, K, Giljov, A, Ingram, J ORCID: 0000-0001-9448-3282, Rowntree, VJ and Malashichev, Y 2017 , 'Lateralization of mother-infant interactions in a diverse range of mammal species' , Nature Ecology & Evolution, vol. 1, no. 1 , pp. 1-4 , doi: 10.1038/s41559-016-0030.

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Abstract

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.

Item Type: Article
Authors/Creators:Karenina, K and Giljov, A and Ingram, J and Rowntree, VJ and Malashichev, Y
Keywords: mother-infant interactions, laterality, left-cradling bias, mammal species
Journal or Publication Title: Nature Ecology & Evolution
Publisher: Nature Publishing Group
ISSN: 2397-334X
DOI / ID Number: 10.1038/s41559-016-0030
Copyright Information:

Copyright 2017 Macmillan Publishers Limited, part of Springer Nature

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