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Why does early childhood deprivation increase the risk for depression and anxiety in adulthood? A developmental cascade model

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Schlotz,  Wolff
Scientific Services, Max Planck Institute for Empirical Aesthetics, Max Planck Society;

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sci-18-sch-01-why.pdf
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Citation

Golm, D., Maughan, B., Barker, E. D., Hill, J., Kennedy, M., Knights, N., et al. (2020). Why does early childhood deprivation increase the risk for depression and anxiety in adulthood? A developmental cascade model. The Journal of Child Psychology and Psychiatry. doi:10.1111/jcpp.13205.


Cite as: http://hdl.handle.net/21.11116/0000-0005-BCA3-F
Abstract
Background: Using data from the English & Romanian Adoptees (ERA) study, we recently reported that early timelimited exposure to severe institutional deprivation is associated with early-onset and persistent neurodevelopmental problems and later-onset emotional problems. Here, we examine possible reasons for the late emergence of emotional problems in this cohort. Our main focus is on testing a developmental cascade mediated via the functional impact of early-appearing neurodevelopmental problems on late adolescent functioning. We also explore a second putative pathway via sensitization to stress. Methods: The ERA study includes 165 Romanian individuals who spent their early lives in grossly depriving institutions and were subsequently adopted into UK families, along with 52 UK adoptees with no history of deprivation. Age six years symptoms of neurodevelopmental problems and age 15 anxiety/depression symptoms were assessed via parental reports. Young adult symptoms of depression and anxiety were assessed by both parent and self-reports; young adults also completed measures of stress reactivity, exposure to adverse life events, and functioning in work and interpersonal relationships. Results: The path between early institutional deprivation and adult emotional problems was mediated via the impact of early neurodevelopmental problems on unemployment and poor friendship functioning during the transition to adulthood. The findings with regard to early deprivation, later life stress reactivity, and emotional problems were inconclusive. Conclusions: Our analysis suggests that the risk for adult depression and anxiety following extreme institutional deprivation is explained through the effects of early neurodevelopmental problems on later social and vocational functioning. Future research should more fully examine the role of stress susceptibility in this model. Keywords: Institutional deprivation; depression; anxiety; emotional problems; developmental cascades; neurodevelopmental problems; longitudinal; prospective; natural experiment.