ArticleBiological psychiatry. Cognitive neuroscience and neuroimaging2024
Socioeconomic Disadvantage Moderates the Association of Systemic Inflammation With Amygdala Volume in Adolescents Over a 2-Year Interval: An Exploratory Study.
Article in Biological psychiatry. Cognitive neuroscience and neuroimaging, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Examination of poverty trajectories and brain volume as predictors of adolescent depression.Journal of research on adolescence : the official journal of the Society for Research on Adolescence · 2026Article
- Psychobiological mechanisms underlying the association between early life stress and depression in adolescence.Molecular psychiatry · 2026Review
- Amygdala volume is not associated with MRI-based markers of early cardiovascular disease.Insights into imaging · 2026Article
- The effects of the COVID-19 pandemic on neurobiological functioning in adolescents.Translational psychiatry · 2025Article
- Value-based cognitive control moderates the relation of inflammation with depression in adolescents.Social cognitive and affective neuroscience · 2025Article
- The growing interdisciplinarity of developmental psychopathology: Implications for science and training.Development and psychopathology · 2024Article
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Authors and funding
7 authors.
Funding
Abstract
backgroundResearch has demonstrated an association between elevated systemic inflammation and changes in brain function. Affective areas of the brain involved in processing threat (e.g., amygdala) and reward (e.g., nucleus accumbens) appear to be sensitive to inflammation. Early-life stress, such as experiencing low socioeconomic status (SES), may also potentiate this association, but relevant evidence has come primarily from cross-sectional studies of brain function. It is unclear whether similar associations are present between early-life stress, inflammation, and brain structure, particularly in typically developing populations.
methodsWe recruited and assessed 50 adolescents (31 females/19 males) from the community (mean [SD] age = 15.5 [1.1] years, range = 13.1-17.5 years) and examined in exploratory analyses whether changes in C-reactive protein (ΔCRP) from blood spots predict changes in gray matter volume (ΔGMV) in the bilateral amygdala and nucleus accumbens over a 2-year period. We also investigated whether experiencing early-life stress, operationalized using a comprehensive composite score of SES disadvantage at the family and neighborhood levels, significantly moderated the association between ΔCRP and ΔGMV.
resultsWe found that ΔCRP was negatively associated with Δamygdala GMV (i.e., increasing CRP levels were associated with decreasing amygdala volume; β = -0.84, p = .012). This effect was stronger in youths who experienced greater SES disadvantage (β = -0.56, p = .025).
conclusionsThese findings suggest that increases in systemic inflammation are associated with reductions in amygdala GMV in adolescents, potentially signaling accelerated maturation, and that these neuroimmune processes are compounded in adolescents who experienced greater SES disadvantage. Our findings are consistent with theoretical frameworks of neuroimmune associations and suggest that they may influence adolescent neurodevelopment.
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