Morgan, B;
Hunt, X;
Sieratzki, J;
Woll, B;
Tomlinson, M;
(2019)
Atypical maternal cradling laterality in an impoverished South African population.
Laterality
, 24
(3)
pp. 320-341.
10.1080/1357650X.2018.1509077.
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Abstract
Human studies consistently report a 60%-80% maternal left cradling preference. The dominant explanation points to an engagement of the emotionally more-attuned right brain. In contrast, we found equal incidences of left (31.3%), right (34.3%) and no-preference (34.3%) cradling in an impoverished South African population living under adverse conditions characterized by extreme dangers. We found striking differences on the Parenting Stress Index (PSI) between mothers with no cradling laterality preference and mothers with either a left or right preference. In several mammals a homologous left preference becomes stronger when acute threats prevail, rendering the rightwards shift we observed under dangerous conditions seemingly paradoxical. We propose this paradox can be resolved in terms of life-history strategy theory which predicts reduced parental investment in chronically dangerous environments. We interpret our high PSI score findings in no-preference cradlers as indicative of poorer, or at least ambivalent, maternal coping which many studies show is typically associated with reduced emotional sensitivity and responsiveness. We suggest that the latter may be a psychological mechanism mediating a partial withdrawal of parental investment in response to an enduringly adverse environment. To the best of our knowledge, this is the first study investigating cradling laterality preferences in an adverse socioeconomic environment.
Type: | Article |
---|---|
Title: | Atypical maternal cradling laterality in an impoverished South African population |
Location: | England |
Open access status: | An open access version is available from UCL Discovery |
DOI: | 10.1080/1357650X.2018.1509077 |
Publisher version: | https://doi.org/10.1080/1357650X.2018.1509077 |
Language: | English |
Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
Keywords: | Cradling, infant, maternal, parenting stress index, poverty |
UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences |
URI: | https://discovery.ucl.ac.uk/id/eprint/10054869 |




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