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  • Title: Adrenocortical and behavioral attunement in parents with 1-year-old infants.
    Author: van Bakel HJ, Riksen-Walraven JM.
    Journal: Dev Psychobiol; 2008 Mar; 50(2):196-201. PubMed ID: 18286586.
    Abstract:
    Sethre-Hofstad et al. [2002, Psychoneuroendocrinology 27:731-747] found that behaviorally well-attuned or sensitive parents showed better physiological attunement with their 2- to 4-year-old toddlers' adrenocortical responses to a potentially challenging task than less sensitive parents. In the present study we aimed to replicate this finding in a sample of 83 parents with 15-month-old infants. Parental and infant cortisol responses were assessed using saliva samples collected before and 21 min after the child's confrontation with a stranger and a moving robot. Infant behaviors reflecting distress/uncertainty during the stranger-robot session were rated from videotape. Parental sensitivity was observed during a parent-infant teaching episode. Our findings replicate those of Sethre-Hofstad et al. [2002, Psychoneuroendocrinology 27:731-747] by showing correlated parent-infant cortisol responses for sensitive parents but not for less sensitive parents. Furthermore, sensitive parents cortisol responses were associated with their children's distress/uncertainty during the stranger-robot episode, whereas this was not true for less sensitive parents. Results indicate an important connection between behavior and physiology in parent-infant interactions that deserve more research.
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