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Early adversity and brain response to faces in young adulthood.

ABSTRACT: Early stressors play a key role in shaping interindividual differences in vulnerability to various psychopathologies, which according to the diathesis-stress model might relate to the elevated glucocorticoid secretion and impaired responsiveness to stress. Furthermore, previous studies have shown that individuals exposed to early adversity have deficits in emotion processing from faces. This study aims to explore whether early adversities associate with brain response to faces and whether this association might associate with the regional variations in mRNA expression of the glucocorticoid receptor gene (NR3C1). A total of 104 individuals drawn from the Northern Finland Brith Cohort 1986 participated in a face-task functional magnetic resonance imaging (fMRI) study. A large independent dataset (IMAGEN, N?=?1739) was utilized for reducing fMRI data-analytical space in the NFBC 1986 dataset. Early adversities were associated with deviant brain response to fearful faces (MANCOVA, P?=?0.006) and with weaker performance in fearful facial expression recognition (P?=?0.01). Glucocorticoid receptor gene expression (data from the Allen Human Brain Atlas) correlated with the degree of associations between early adversities and brain response to fearful faces (R2 ?=?0.25, P?=?0.01) across different brain regions. Our results suggest that early adversities contribute to brain response to faces and that this association is mediated in part by the glucocorticoid system. Hum Brain Mapp 38:4470-4478, 2017. © 2017 Wiley Periodicals, Inc.

SUBMITTER: Lieslehto J

PROVIDER: S-EPMC6866906 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature

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Early adversity and brain response to faces in young adulthood.

Lieslehto Johannes J Kiviniemi Vesa V Mäki Pirjo P Koivukangas Jenni J Nordström Tanja T Miettunen Jouko J Barnett Jennifer H JH Jones Peter B PB Murray Graham K GK Moilanen Irma I Paus Tomáš T Veijola Juha J

Human brain mapping 20170614 9

Early stressors play a key role in shaping interindividual differences in vulnerability to various psychopathologies, which according to the diathesis-stress model might relate to the elevated glucocorticoid secretion and impaired responsiveness to stress. Furthermore, previous studies have shown that individuals exposed to early adversity have deficits in emotion processing from faces. This study aims to explore whether early adversities associate with brain response to faces and whether this a ...[more]

PMID: 28612935

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Project description:IMPORTANCE:Early adversity is an important risk factor that relates to internalizing symptoms and altered brain structure. OBJECTIVE:To assess the direct effects of early adversity and child internalizing symptoms (ie, depression, anxiety) on cortical gray matter (GM) volume, as well as the extent to which early adversity associates with variation in cortical GM volume indirectly via increased levels of internalizing symptoms. DESIGN, SETTING, AND PARTICIPANTS:A prospective investigation of associations between adversity within the first 6 years of life, internalizing symptoms during childhood and early adolescence, and altered brain structure in late adolescence (age, 18-21 years) was conducted in a community-based birth cohort in England (Avon Longitudinal Study of Parents and Children). Participants from the cohort included 494 mother-son pairs monitored since the mothers were pregnant (estimated date of delivery between April 1, 1991, and December 31, 1992). Data collection for the present study was conducted between April 1, 1991, and November 30, 2010; the neuroimaging data were collected between September 1, 2010, and November 30, 2012, and data analyses for the present study occurred between January 25, 2013, and February 15, 2015. Risk factors were adversity within the first 6 years of the child's life (including prenatal exposure) and the child's internalizing symptoms between age 7 and 13 years. EXPOSURES:Early childhood adversity. MAIN OUTCOMES AND MEASURES:The main outcome was GM volume of cortical regions previously associated with major depression measured through T1-weighted magnetic resonance images collected in late adolescence. RESULTS:Among 494 young men included in this analysis, early adversity was directly associated with lower GM volumes in the anterior cingulate cortex (? =?-.18; P =?.01) and higher GM volume in the precuneus (? =?.18; P =?.009). Childhood internalizing symptoms were associated with lower GM volume in the right superior frontal gyrus (? =?-.20; P =?.002). Early adversity was also associated with higher levels of internalizing symptoms (? =?.37; P <?.001), which, in turn, were associated with lower superior frontal gyrus volume (ie, an indirect effect) (? =?-.08; 95% CI, -0.14 to -0.01; P =?.02). CONCLUSIONS AND RELEVANCE:Adversity early in life was associated with higher levels of internalizing symptoms as well as with altered brain structure. Early adversity was related to variation in brain structure both directly and via increased levels of internalizing symptoms. These findings may suggest that some of the structural variation often attributed to depression might be associated with early adversity in addition to the effect of depression.

Project description:Importance:Childhood adversity (CA) is associated with an increased risk of suicide in young adulthood that might be explained by maladaptive trajectories during adolescence. Although adolescent violent offending is linked with suicide, little is known about its role in the association between CA and suicide. Objective:To examine whether adolescent violent offending mediates the association between CA and suicide in early adulthood. Design, Setting, and Participants:This population-based, longitudinal cohort study with a follow-up time spanning 5 to 9 years included 476?103 individuals born in Sweden between 1984 and 1988. The study population was prospectively followed up from 20 years of age until December 31, 2013, with respect to suicide. Data analysis was performed from January 1, 1984, to December 31, 2013. Exposures:Register-based CAs included parental death, parental substance abuse and psychiatric disorder, parental criminal offending, parental separation, public assistance recipiency, child welfare intervention, and residential instability. Adolescent violent offending was defined as being convicted of a violent crime between the ages of 15 and 19 years. Main Outcomes and Measures:Estimates of risk of suicide after 20 years of age (from 2004 if born in 1984 and from 2008 if born in 1988) until the end of 2013 were calculated as incidence rate ratios (IRRs) with 95% CIs using Poisson regression analysis. Adjustments were made for demographics and psychiatric disorder. In addition, binary mediation analysis with logistic regression was used. Results:A total of 476?103 individuals (231 699 [48.7%] female) were included in the study. Those with a conviction for violent offending had been exposed to all CAs to a greater extent than those with no violent offending. Cumulative CA was associated with risk of suicide in nonconvicted (adjusted IRR, 2.4; 95% CI, 1.5-3.9) and convicted youths, who had a higher risk of suicide (adjusted IRR, 8.5; 95% CI, 4.6-15.7). Adolescent violent offending partly mediated the association between CA and suicide. Conclusions and Relevance:Individuals with a history of CA who also engage in violent offending in adolescence have a high risk of suicide. Interventions to prevent externalizing behavior during childhood and increased support to youths with delinquent behavior may have the potential to prevent suicide related to CA.

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Early adversity and brain response to faces in young adulthood.

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Early adversity and brain response to faces in young adulthood.

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