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Additional Insights into the Relationship Between Brain Network Architecture and Susceptibility and Resilience to the Psychiatric Sequelae of Childhood Maltreatment

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Abstract

Childhood maltreatment is associated with an increased risk for psychiatric and substance use disorders. However, some maltreated individuals appear resilient to these consequences while manifesting the same array of brain changes as maltreated individuals with psychopathology. Hence, a critical issue has been to identify compensatory brain alterations in these resilient individuals. We recently reported that maltreatment is associated with a more vulnerable structural brain network architecture. Resilient individuals have this same vulnerability but appeared to be able to effectively compensate due to reduced nodal efficiency (ability of a node to influence the global network) in 9 specific brain regions that moderate the relationship between maltreatment and psychopathology. Following up, we now report that network vulnerability increases progressively during late adolescence to plateau at about 21 years of age, which may help to explain age of onset of psychopathology. Further, we found that network vulnerability was most significantly affected by parental verbal abuse between 16 and 18 years of age and number of types of maltreatment during childhood. Asymptomatic individuals with no history of psychopathology had more prominent alterations in nodal efficiency than asymptomatic individuals with prior history, who specifically showed reduced nodal efficiency in the right amygdala and right subcallosal gyrus. Experiencing inadequate financial sufficiency during childhood increased the risk of susceptibility versus resilience by 2.98-fold (95% CI 1.49–5.97, p = 0.002) after adjusting for differences in exposure to maltreatment. Interestingly, adequate-to-higher financial sufficiency appeared to be protective and was associated with reduced nodal efficiency in the right postcentral gyrus and subcallosal gyrus “resilience” nodes.

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Funding

This work was supported by the National Institute of Mental Health Awards MH-091391 and MH-113077, National Institute of Drug Abuse Award DA-017846, and National Institute of Child Health and Human Development Award HD-079484 to MHT.

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Contributions

Cynthia E. McGreenery and Elizabeth Bolger, MA, Developmental Biopsychiatry Research Program, McLean Hospital, Belmont, MA, assisted with recruitment and assessment of study participants; and Michael Rohan, PhD, and Gordana Vitaliano, MD, PhD, Brain Imaging Center, McLean Hospital, Belmont, MA, provided technical and clinical support.

Corresponding author

Correspondence to Martin H. Teicher.

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The Partners Healthcare institutional review board approved this study and all subjects provided informed consent.

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Teicher, M.H., Ohashi, K. & Khan, A. Additional Insights into the Relationship Between Brain Network Architecture and Susceptibility and Resilience to the Psychiatric Sequelae of Childhood Maltreatment. ADV RES SCI 1, 49–64 (2020). https://doi.org/10.1007/s42844-020-00002-w

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  • DOI: https://doi.org/10.1007/s42844-020-00002-w

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