Cited by 231Attachment and Relationship DynamicsChild and Adolescent Psychosocial and Emotional DevelopmentInfant Health and Development

Stress Contagion: Physiological Covariation Between Mothers and Infants

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Waters, Sara F., West, Tessa V., Mendes, Wendy Berry·2014·Psychological Science

Abstract

Emotions are not simply concepts that live privately in the mind, but rather affective states that emanate from the individual and may influence others. We explored affect contagion in the context of one of the closest dyadic units, mother and infant. We initially separated mothers and infants; randomly assigned the mothers to experience a stressful positive-evaluation task, a stressful negative-evaluation task, or a nonstressful control task; and then reunited the mothers and infants. Three notable findings were obtained: First, infants’ physiological reactivity mirrored mothers’ reactivity engendered by the stress manipulation. Second, infants whose mothers experienced social evaluation showed more avoidance toward strangers compared with infants whose mothers were in the control condition. Third, the negative-evaluation condition, compared with the other conditions, generated greater physiological covariation in the dyads, and this covariation increased over time. These findings suggest that mothers’ stressful experiences are contagious to their infants and that members of close pairs, like mothers and infants, can reciprocally influence each other’s dynamic physiological reactivity.

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  • Physiological synchrony is not always a predictor of better performance outcomes and can be detrimental.

    “It should be noted that physiological synchrony is not always a predictor of better performance outcomes. In fact, physiological synchrony can be detrimental.”

    From Physiological and Behavioral Synchrony Predict Group Cohesion and Performance (2020) · cites this paper as [81]

    The Abstract reports greater mother–infant physiological covariation after negative evaluation, alongside increased infant stress reactivity and avoidance of strangers. This supports the point that synchrony can accompany an adverse state, but the paper does not test whether synchrony predicts performance outcomes or itself causes harm. Page numbers are unavailable in our copy. (LLM, conf=0.83)

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Authors
Waters, S. F., West, T. V., & Mendes, W. B.
Affiliations
  • University of California, San Francisco (US)
  • New York University (US)
Venue
Psychological Science
Published
2014-01-30
Volume
25
Issue
4
Pages
934-942
ISSN
  • 0956-7976 (ISSN-L)
  • 1467-9280
OpenAlex
W2159102798
Cited by
231
References
42
Citations by year
2026: 29 · 2025: 13 · 2024: 23 · 2023: 19 · 2022: 19 · 2021: 22 · 2020: 21 · 2019: 22 · 2018: 15 · 2017: 25 · 2016: 10 · 2015: 11 · 2014: 2
FWCI
23.67
Type
journal article
Language
en
Open access
Locations
  • Psychological Science (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
National Institute of Mental Health (T32MH019391)
Topics
  • Social Sciences › Psychology › Social Psychology › Attachment and Relationship Dynamics
  • Social Sciences › Psychology › Clinical Psychology › Child and Adolescent Psychosocial and Emotional Development
  • Health Sciences › Health Professions › Pharmacy › Infant Health and Development
Keywords
emotional contagion, stress contagion, mother-infant dyads, physiological reactivity, infant social behavior
MeSH terms
Adult, Child Development, Electrocardiography, Emotions, Female, Heart Rate, Humans, Infant, Male, Mother-Child Relations, Social Behavior, Stress, Psychological

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