Interpersonal early adversity demonstrates dissimilarity from early socioeconomic disadvantage in the course of human brain development: A meta-analysis
- PMID: 37141961
- PMCID: PMC10247458
- DOI: 10.1016/j.neubiorev.2023.105210
Interpersonal early adversity demonstrates dissimilarity from early socioeconomic disadvantage in the course of human brain development: A meta-analysis
Abstract
It has been established that early-life adversity impacts brain development, but the role of development itself has largely been ignored. We take a developmentally-sensitive approach to examine the neurodevelopmental sequelae of early adversity in a preregistered meta-analysis of 27,234 youth (birth to 18-years-old), providing the largest group of adversity-exposed youth to date. Findings demonstrate that early-life adversity does not have an ontogenetically uniform impact on brain volumes, but instead exhibits age-, experience-, and region-specific associations. Relative to non-exposed comparisons, interpersonal early adversity (e.g., family-based maltreatment) was associated with initially larger volumes in frontolimbic regions until ∼10-years-old, after which these exposures were linked to increasingly smaller volumes. By contrast, socioeconomic disadvantage (e.g., poverty) was associated with smaller volumes in temporal-limbic regions in childhood, which were attenuated at older ages. These findings advance ongoing debates regarding why, when, and how early-life adversity shapes later neural outcomes.
Keywords: Adolescence; Adverse experiences; Brain structure; Childhood; Development; Early life stress; Maltreatment; Neurodevelopment; Poverty.
Copyright © 2023 Elsevier Ltd. All rights reserved.
Conflict of interest statement
Declarations of Competing Interest None.
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Interpersonal early adversity demonstrates dissimilarity from early socioeconomic disadvantage in the course of human brain development: A meta-analysis.bioRxiv [Preprint]. 2023 Feb 18:2023.02.16.528877. doi: 10.1101/2023.02.16.528877. bioRxiv. 2023. Update in: Neurosci Biobehav Rev. 2023 Jul;150:105210. doi: 10.1016/j.neubiorev.2023.105210. PMID: 36824818 Free PMC article. Updated. Preprint.
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