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Updated: May 16, 2026
07:12
Profiling Maternal Behavior Responses During Whole-Brain Imaging
Published on: January 24, 2025
Maternal interpersonal affiliation is associated with adolescents' brain structure and reward processing.
S Schneider1, S Brassen, U Bromberg
1Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany. s.schneider@uke.uni-hamburg.de
Translational Psychiatry
|November 15, 2012
Summary
Maternal affiliation impacts adolescent brain structure and reward circuitry. Positive maternal relationships are linked to increased gray matter density and altered neural responses, potentially influencing mental health outcomes.
Area of Science:
- Neuroscience
- Developmental Psychology
- Psychiatry
Background:
- Parenting significantly influences brain development, particularly in the hippocampus and prefrontal cortex.
- Maternal interpersonal qualities' effects on children's brain structure and function, especially reward circuitry, are underexplored.
- Systematic investigation of gender differences in maternal quality effects on adolescent brains is lacking.
Purpose of the Study:
- To investigate the association between maternal interpersonal affiliation and adolescent brain structure and function.
- To examine gender differences in these associations.
- To explore the relationship between maternal qualities and neural reward system activation.
Main Methods:
- Structural and functional magnetic resonance imaging (MRI) in 63 adolescents.
- Assessment of mothers' interpersonal affiliation.
- Utilized the Monetary Incentive Delay (MID) task to measure neural responses to reward.
Main Results:
- Maternal affiliation positively correlated with hippocampal and orbitofrontal gray matter density.
- Maternal affiliation associated with caudate activation during reward feedback (hit vs. miss).
- In females only, maternal affiliation linked to ventral striatal and caudate activation during reward feedback compared to baseline.
Conclusions:
- Maternal interpersonal affiliation is associated with structural and functional alterations in the adolescent brain's reward circuitry.
- Findings suggest a potential role for maternal affiliation in the development of mental health conditions like depression and PTSD.
- The observed pattern highlights the importance of maternal bonding for healthy adolescent neurodevelopment.
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