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Depress Anxiety. 2017 Feb;34(2):118-126. doi: 10.1002/da.22595. Epub 2017 Jan 6.

Depression impacts the physiological responsiveness of mother-daughter dyads during social interaction.

Author information

1
Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA.
2
Graduate Psychology, Chatham University, Pittsburgh, PA, USA.
3
Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.

Abstract

BACKGROUND:

Maternal depression is associated with increased risk of psychiatric illness in offspring. While risk may relate to depressed mothers' difficulties regulating emotions in the context of interacting with offspring, physiological indicators of emotion regulation have rarely been examined during mother-child interactions-and never among mother-adolescent dyads in which both mother and adolescent have histories of major depressive disorder (MDD).

METHODS:

We examined changes in high-frequency heart rate variability (HF-HRV), an indicator of parasympathetic (vagal) function that has been related to depression, stress, social engagement, and emotion regulation, in 46 mother-daughter dyads (23 in which both mother and daughter had an MDD history and 23 never-depressed controls). Hierarchical linear models evaluated changes in HF-HRV while mother-daughter dyads engaged in discussions about shared pleasant events and relationship conflicts.

RESULTS:

While control dyads displayed positive slopes (increases) in HF-HRV during both discussions, MDD dyads displayed minimal change in HF-HRV across discussions. Among controls, HF-HRV slopes were positively correlated between mothers and daughters during the pleasant events' discussion. In contrast, HF-HRV slopes were negatively correlated between MDD mothers and daughters during both discussions.

CONCLUSIONS:

Vagal responses observed in control mother-daughter dyads suggest a pattern of physiological synchrony and reciprocal positive social engagement, which may play a role in adolescent development of secure social attachments and healthy emotion regulation. In contrast, MDD mothers and daughters displayed diminished and discordant patterns of vagal responsiveness. More research is needed to understand the development and consequences of these patterns of parasympathetic responses among depressed mother-daughter dyads.

KEYWORDS:

biological markers; child/adolescent; depression; electrophysiology; maternal-child

PMID:
28060443
PMCID:
PMC5798861
DOI:
10.1002/da.22595
[Indexed for MEDLINE]
Free PMC Article

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