Article ; Online: Early life adversity jointly regulates body-mass index and working memory development.
Proceedings. Biological sciences
2023 Volume 290, Issue 2011, Page(s) 20231945
Abstract: Previous work has proposed that balancing energy expenditure towards body and brain development in an optimal fashion results in a negative relationship between somatic and neurocognitive growth during development. An important issue, largely overlooked ... ...
Abstract | Previous work has proposed that balancing energy expenditure towards body and brain development in an optimal fashion results in a negative relationship between somatic and neurocognitive growth during development. An important issue, largely overlooked so far, is the extent to which this energetic trade-off is influenced by early life environmental factors. In this study, we estimated the association between neurocognitive (measured by working memory ability) and somatic (measured by body-mass index) developmental trajectories, while taking into account multiple dimensions of early life adversity. Results of our initial growth curve model were consistent with this brain-body trade-off in both girls and boys. In a subsequent model, we showed that early life adversity had positive associations with somatic and negative associations with neurocognitive growth trajectories, although the direct negative coupling between them remained consistent. Finally, a multidimensional adversity model, separating the effects of deprivation, threat and unpredictability, revealed that the dimension of deprivation-reflecting lack of access to resources and cognitive stimulation-contributed the most to both somatic and neurocognitive growth patterns. These results suggest that the way individuals balance energy between these two biological constructs during development is partly linked to environmental influences through phenotypic plasticity. |
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MeSH term(s) | Humans ; Male ; Female ; Memory, Short-Term ; Adverse Childhood Experiences ; Body Mass Index ; Brain |
Language | English |
Publishing date | 2023-11-15 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 209242-6 |
ISSN | 1471-2954 ; 0080-4649 ; 0962-8452 ; 0950-1193 |
ISSN (online) | 1471-2954 |
ISSN | 0080-4649 ; 0962-8452 ; 0950-1193 |
DOI | 10.1098/rspb.2023.1945 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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