ORIGINAL RESEARCH article
Front. Child Adolesc. Psychiatry
Sec. Developmental Psychopathology and Mental Health
Volume 4 - 2025 | doi: 10.3389/frcha.2025.1638234
This article is part of the Research TopicRising Stars in Developmental Psychopathology and Mental Health: 2024View all 7 articles
Longitudinal associations between parental mental health and duration of visual attention and facial expression during at-home parent-infant interactions: a UK birth cohort study
Provisionally accepted- 1University of Bristol, Bristol, United Kingdom
- 2University College London, London, United Kingdom
- 3University of Oxford, Oxford, United Kingdom
- 4King's College London, London, United Kingdom
- 5University of Massachusetts Chan Medical School Eunice Kennedy Shriver Center, Worcester, United States
- 6Institute for Fiscal Studies, London, United Kingdom
- 7UNICEF, New York, United States
- 8Manchester Metropolitan University Faculty of Health and Education, Manchester, United Kingdom
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Background: Parental mental health difficulties have been associated with variation in parent–infant interactions, including facial expressions and visual attention. Most prior research has relied on clinical samples and structured observational settings, limiting ecological validity and generalisability to population-level variation. Aims: This study aimed to (i) characterise the duration of facial expressions and visual attention behaviours in parents and infants during naturalistic interactions at home, and (ii) explore associations between parental depressive symptoms and personality difficulties—measured prenatally or preconception—and these observed behaviours. Methods: Interactions were recorded at home using synchronised head-mounted cameras worn by parents and infants. Facial expressions and gaze behaviours were micro-coded for each dyad member using a validated behavioural coding system. Parental depressive symptoms and personality difficulties were assessed using the Edinburgh Postnatal Depression Scale (EPDS) and the Standardised Assessment of Personality – Abbreviated Scale (SAPAS). Associations were estimated using bivariate two-level models, adjusting for relevant covariates and clustering at the dyad level. Findings: A total of 142 video observations were obtained from 97 families participating in the Avon Longitudinal Study of Parents and Children (ALSPAC), including 102 unique parent–infant dyads. Of the 142 observations, 74% involved mothers as the primary caregiver. Infants were on average 7 months old, and 66% were first-born. We found suggestive evidence that higher parental depressive symptoms and personality difficulties were associated with shorter durations of expressions such as 'mock surprise' and 'woe face', and with longer durations of negative affect. Infants of parents with higher depressive symptoms showed longer smiling and increased visual attention to others in the room, potentially reflecting social referencing. Conclusions: Wearable cameras offer a feasible and ecologically valid method for observing parent– infant interactions in home settings. Findings suggest that variation in parental mental health is associated with differences in both parental and infant emotional and attentional behaviours. These preliminary results underscore the potential of wearable technology for advancing research on early relational processes. Keywords: ALSPAC, parent-infant interactions, depression, personality difficulties, headcams.
Keywords: ALSPAC, Parent-infant interactions, Depression, Personality difficulties, headcams
Received: 30 May 2025; Accepted: 29 Sep 2025.
Copyright: © 2025 Costantini, Kounali, Culpin, Bornstein and Pearson. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Ilaria Costantini, ilaria.costantini@bristol.ac.uk
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