Cited by 234Neuroendocrine regulation and behaviorInfant Health and DevelopmentAttachment and Relationship Dynamics

The DOI matches its Crossref record; 111 of the 111 references it cites were found in a registry or an index; 1 of the 117 sources its claims cite were checked for support.

The human parental brain: In vivo neuroimaging

Open access
Swain, James E.·2011·Progress in Neuro-Psychopharmacology and Biological Psychiatry

Abstract

Interacting parenting thoughts and behaviors, supported by key brain circuits, critically shape human infants’ current and future behavior. Indeed, the parent–infant relationship provides infants with their first social environment, forming templates for what they can expect from others, how to interact with them and ultimately how they go on to themselves to be parents. This review concentrates on magnetic resonance imaging experiments of the human parent brain, which link brain physiology with parental thoughts and behaviors. After reviewing brain imaging techniques, certain social cognitive and affective concepts are reviewed, including empathy and trust—likely critical to parenting. Following that is a thorough study-by-study review of the state-of-the-art with respect to human neuroimaging studies of the parental brain—from parent brain responses to salient infant stimuli, including emotionally charged baby cries and brief visual stimuli to the latest structural brain studies. Taken together, this research suggests that networks of highly conserved hypothalamic–midbrain–limbic–paralimbic–cortical circuits act in concert to support parental brain responses to infants, including circuits for limbic emotion response and regulation. Thus, a model is presented in which infant stimuli activate sensory analysis brain regions, affect corticolimbic limbic circuits that regulate emotional response, motivation and reward related to their infant, ultimately organizing parenting impulses, thoughts and emotions into coordinated behaviors as a map for future studies. Finally, future directions towards integrated understanding of the brain basis of human parenting are outlined with profound implications for understanding and contributing to long term parent and infant mental health.

Overview

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TL;DR

This review synthesizes in vivo MRI/fMRI studies of the human parental brain, arguing that infant cues engage conserved hypothalamic–midbrain–limbic–paralimbic–cortical circuits for emotion, motivation, reward, and regulation. It presents a model in which sensory appraisal, corticolimbic modules, and hormonal/behavioral outputs coordinate parenting thoughts and behaviors.

Key findings

  • Across reviewed fMRI studies, own vs other infant cry/picture/video contrasts repeatedly activate drive/motivation and limbic regions (midbrain, striatum, amygdala, insula, cingulate, hypothalamus) alongside cortical regulatory regions (medial prefrontal, orbitofrontal, anterior cingulate). For example, Lorberbaum et al. (1999) studied 4 mothers with a 30-s standard cry vs control and found increased subgenual anterior cingulate and right mesial prefrontal/orbitofrontal cortex; a follow-up with 10 breastfeeding first-time mothers, infants 1–2 months old, using random effects, activated anterior and posterior cingulate, thalamus, midbrain, hypothalamus, septal regions, dorsal and ventral striatum, medial prefrontal cortex, right orbitofrontal/insula/temporal polar cortex, right lateral temporal cortex, and fusiform gyrus, with amygdala active when cry was compared with rest.
  • Parental experience/time and gender/experience modulate responses: Swain et al. found first-time mothers (n=9) at 2–4 weeks postpartum showed own vs other baby cry activations in midbrain, basal ganglia, cingulate, amygdala, and insula; at 3–4 months, amygdala and insula activations were not evident and activity shifted to medial prefrontal and hypothalamic regions. Seifritz et al. (2003), studying four groups of 10 subjects each (mothers and fathers of children under age 3, and non-parent males and females) with 6-s sounds, found baby cry/laugh vs neutral produced bilateral temporal activity; women showed decreased subgenual anterior cingulate activity to cry/laugh; parents activated more to infant crying than laughing in right amygdala, while non-parents responded more to laughing than crying.
  • Visual infant stimuli engage reward/emotion and social-cognition circuits: Bartels and Zeki, in 20 healthy mothers viewing own vs other child, found increased midbrain periaqueductal gray/substantia nigra, dorsal and ventral striatum, thalamus, left insula, orbitofrontal cortex, anterior cingulate, and superior medial prefrontal cortex, with decreased left amygdala. Strathearn et al. studied 28 healthy right-handed mothers at 7–17 months postpartum and found own infant face activated ventral tegmental area/substantia nigra, striatum, medial prefrontal/anterior cingulate/insula, dorsolateral prefrontal, and primary motor areas; happy own-infant faces activated nigrostriatal regions including substantia nigra and dorsal putamen. In 30 first-time mothers, secure attachment showed greater ventral striatum and hypothalamus/pituitary activation and higher peripheral oxytocin responses, while insecure/dismissing mothers showed greater insular activation to own infant sad faces.
  • Structural and early-life findings: Kim et al. reported mothers with higher perceived maternal care in childhood had greater cry responses in middle and superior frontal gyri and higher gray matter volume in superior and middle frontal gyri, orbital gyrus, superior temporal gyrus, and fusiform gyrus; lower maternal care was associated with increased hippocampal activations. The review’s model centers on feedback loops involving hypothalamus, midbrain, basal ganglia, anterior cingulate, prefrontal cortex, and thalamus, with frontal, insular, fusiform, and occipital areas for more complex social-emotional/empathy responses.

Methods

  • Design: narrative review of in vivo MRI/fMRI experiments of the human parent brain, plus a selective review of social cognition/affect (empathy, trust, attachment) and animal parenting literature; no new primary data are reported.
  • Data/sample: published studies with parents as subjects using infant cry, laughter, pictures, or videos, and structural voxel-based morphometry studies; Tables 1 and 2 summarize baby sound and visual stimulus studies. Reported findings satisfy fixed effects at p<0.001 or random effects at p<0.05.
  • Analysis: study-by-study synthesis grouped by audio-only baby cry and visual stimuli; contrasts own vs other/control, correlations with parenting behavior, mood, attachment, and hormones; a model is presented in Fig. 1.

Limitations

  • Paper-stated: baby stimuli are only partially realistic; subjects have limited response possibilities during imaging; brain activity can only be compared across time points if the same stimuli are used, while the actual baby and parent–infant relationship are complex “moving targets”; early studies had limited subject numbers and fixed-effects analyses that do not account for inter-subject variability and require replication.
  • Paper-stated gaps: postpartum depression, anxiety, and substance abuse had not yet been studied with a single published fMRI study at the time of writing, although several groups were close; many cited findings are preliminary, abstract-only, or in press.
  • Evident from the text: this is not a systematic meta-analysis; studies are heterogeneous in stimuli (cry vs picture vs video; 6-s vs 30-s), postpartum timing, sample sizes, and analysis methods, limiting direct comparison; some studies lack direct parent vs non-parent contrasts (e.g., Seifritz et al. reported within-group results only).

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Integrity signals

Registry

Crossref · 10.1016/j.pnpbp.2010.10.017

Cites

111 of 111 references verified0 citation errors · 0 not checkable

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Claims the paper makes

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  • It may state two separate claims as one. 41
  • Probably not a substantial claim. 17
  • The quote only partly states this claim. 2
54 of 54
  • The paper relies on this without support.

    The parent–infant relationship provides infants with their first social environment and forms templates for what they can expect from others, how to interact, and how they go on to be parents.

    “The parent–infant relationship provides infants with their first social environment, forming templates for what they can expect from others, how to interact with them and ultimately how they go on to themselves to be parents.”
  • The paper relies on this without support.

    Parental wellness, and/or the presence of other attuned care giving adults, has long-term positive effects on resiliency and emotional well-being of children as they grow up and for decades later.

    “Clearly, parental wellness (and/or the presence of other attuned care giving adults) has long term positive effects on resiliency and emotional well-being of children as they grow up and for decades later.”
  • The paper relies on this without support.

    Different populations may process infant cues in different ways.

    “Perhaps different populations may process infant cues in different ways.”
  • The paper relies on this without support.

    The anterior cingulate is key to parenting.

    “certain cortical structures such as the anterior cingulate that are postulated as key to parenting”
  • The paper relies on this without support.

    The parental brain undergoes adaptive plastic changes associated with postpartum and is strongly affected by the baby.

    “The parental brain is also a moving target, subject to adaptive plastic changes associated with postpartum, so richly affected by the baby.”
  • The paper relies on this without support.

    The parent–infant bond is central to the human condition, contributes to risks for mood and anxiety disorders, and has potential for resiliency and protection against the development of psychopathology throughout life.

    “The parent–infant bond is so central to the human condition, contributes to risks for mood and anxiety disorders, and the potential for resiliency and protection against the development of psychopathology throughout life, not to mention the far-reaching aspects of human attachment across individual behaviors and between cultures.”
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Citations

Cites

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Research works printed but not linked: 5

  1. Strathearn, 2005, An fMRI study of maternal mentalization: having the baby's mind in mind, Neuroimage, 26, S25
  2. Swain, 2004, Neural substrates and psychology of human parent–infant attachment in the postpartum, Biol Psychiatry, 55, 153S
  3. Swain, 2005, Early human parent–infant bond development: fMRI, thoughts and behaviors, Biol Psychiatry, 57, 112S
  4. Swain, 2006, Own baby pictures induce parental brain activations according to psychology, experience and postpartum timing, Biol Psychiatry, 59, 126S
  5. Swain JE, Leckman JF, Mayes LCRF, Hoyt E, Kang K, Kim P, David D, Nguyen S, Constable R T, Schultz RT. Functional brain activations of parents listening to their own baby-cry change over the early postpartum. Developmental Psychobiology. In press.

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Metadata

Authors
Swain, J. E.
Affiliations
University of Michigan (US)
Corresponding author
Swain, James E.
Venue
Progress in Neuro-Psychopharmacology and Biological Psychiatry
Publisher
Elsevier BV
Published
2011-07
Volume
35
Issue
5
Pages
1242-1254
ISSN
0278-5846 (ISSN-L)
OpenAlex
W1998962587
Cited by
234
References
111
Citations by year
2026: 7 · 2025: 8 · 2024: 12 · 2023: 11 · 2022: 18 · 2021: 9 · 2020: 26 · 2019: 19 · 2018: 10 · 2017: 19 · 2016: 22 · 2015: 13 · 2014: 24 · 2013: 13 · 2012: 14
FWCI
15.74
Type
journal article
Language
en
Open access
Locations
  • Progress in Neuro-Psychopharmacology and Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Institute for Research on Unlimited Love (unlimitedloveinstitute.org)
  • National Alliance for Research on Schizophrenia and Depression (narsad.org)
  • Klingenstein Third Generation Foundation
  • Yale Center for Risk, Resilience and Recovery
  • Associates of the Yale Child Study Center
  • Department of Psychiatry of the University of Michigan
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Neuroendocrine regulation and behavior
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Infant Health and Development
  • Social Sciences › Psychology › Social Psychology › Attachment and Relationship Dynamics
Keywords
parenting, parent-infant relationship, empathy, trust, reward, motivation, social cognition, affective neuroscience
MeSH terms
Brain, Female, Humans, Infant, Magnetic Resonance Imaging, Male, Parents, Photic Stimulation, Infant Behavior, Neuroimaging

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