Associations between mother-infant bed-sharing practices and infant affect and behavior during the still-face
Rachel E Lerner1, Marie Camerota2, Kristin P Tully3
1Frances L. Hiatt School of Psychology, Clark University, Worcester, MA, USA.
Insights
Bed-sharing with infants at three months is linked to better self-regulation and less negativity during social interactions at six months. Nighttime contact did not mediate these positive effects on infant socioemotional outcomes.
Area of Science:
- Developmental Psychology
- Infant Behavior
- Parent-Child Interaction
Background:
- Bed-sharing is increasingly common among US parents.
- The impact of bed-sharing on infant socioemotional development is not well understood.
Purpose of the Study:
- To examine the association between mother-infant bed-sharing at 3 months and infant affect/behavior at 6 months.
- To investigate nighttime mother-infant contact as a potential mediator.
Main Methods:
- Observational study of 63 mother-infant dyads.
- Utilized the Still-Face Paradigm (SFP) to assess infant responses.
- Collected data on bed-sharing practices and nighttime contact at 3 months.
Main Results:
- Infants who bed-shared showed significantly more self-regulatory behaviors during the SFP's still-face episode.
- Infants bed-sharing for the entire period exhibited less negativity during the SFP reunion episode.
- Nighttime contact did not mediate the relationship between bed-sharing and infant outcomes.
Conclusions:
- Early bed-sharing experiences may influence infant regulation at 6 months postpartum.
- Bed-sharing might foster more positive and regulated behavior in dyadic interactions.
- Findings suggest a direct link between bed-sharing and improved infant socioemotional functioning.
Abstract:
Parents in the United States increasingly report bed-sharing with their infants (i.e., sleeping on a shared sleep surface), but the relationship between bed-sharing and child socioemotional outcomes are not well understood. The current study examines the links between mother-infant bed-sharing at 3 months and infant affect and behavior during a dyadic challenge task at 6 months. Further, we examine nighttime mother-infant contact at 3 months as a possible mechanism that may mediate linkages between bed-sharing and infant outcomes. Using observational data from a sample of 63 mother-infant dyads, we found that infants who bed-shared for any proportion of the observation period at 3 months displayed significantly more self-regulatory behaviors during the still-face episode of the Still-Face Paradigm (SFP) at 6 months, compared to non-bed-sharing infants. Also, infants of mothers who bed-shared for the entire observation period displayed significantly less negativity during the reunion episode than non-bed-sharing infants. There was no evidence that the relations between mother-infant bed-sharing practices and infant affect and behavior during the SFP were mediated through nighttime mother-infant contact. Results suggest that infant regulation at 6 months postpartum may vary based on early nighttime experiences, with bed-sharing potentially promoting more positive and well-regulated behavior during dyadic interaction.
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