4.4 Article

Cradling side preference is associated with lateralized processing of baby facial expressions in females

Journal

BRAIN AND COGNITION
Volume 70, Issue 1, Pages 67-72

Publisher

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bandc.2008.12.010

Keywords

Left cradling; Baby face expression; Lateralization; Signal detection; Response bias; Emotional processes

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Women's cradling side preference has been related to contralateral hemispheric specialization of processing emotional signals: but not of processing baby's facial expression. Therefore, 46 nulliparous female volunteers were characterized as left or non-left holders (HG) during a doll holding task. During a signal detection task they were then asked to detect the emotional baby faces in a series of baby portraits with neutral and emotional facial expressions, presented either to the left or the right visual field (VFP). ANOVA revealed a significant FIG x VFP interaction on response bias data (p < .05). Response bias was lowest when emotional baby faces were presented in the visual field of cradling side preference, Suggesting that women's cradling side preference may have evolved to save cognitive resources during monitoring emotional baby face signals. (C) 2008 Elsevier Inc. All rights reserved.

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