Effects of early stress on brain structure and function: Implications for understanding the relationship between child maltreatment and depression

Joan Kaufman, Dennis Charney

Research output: Contribution to journalArticle

Abstract

Child abuse is associated with markedly elevated rates of major depression (MDD) in child, adolescent, and adult cohorts. This article reviews preclinical (e.g., animal) studies of the effects of early stress and studies of the neurobiological correlates of MDD in adults and children, and it highlights differences in the neurobiological correlates of MDD and stress at various developmental stages. The preclinical studies demonstrate that stress early in life can alter the development multiple neurotransmitter systems and promote structural and functional alterations in brain regions similar to those seen in adults with depression. Preclinical and clinical studies suggest, however, that long-term neurobiological changes associated with early stress can be modified by familial/genetic factors, the quality of the subsequent caregiving environment, and pharmacological interventions. Little is known about how developmental factors interact with experiences of early stress and these other modifying factors. Moreover, in cases of child maltreatment, the effects of early abuse are often exacerbated by failures in the child protection system and repeat out-of-home placements. Given the number of factors that impact on the long-term outcome of maltreated children, multidisciplinary research efforts are recommended to address this problem - with foci that span from neurobiology to social policy.

Original languageEnglish (US)
Pages (from-to)451-471
Number of pages21
JournalDevelopment and Psychopathology
Volume13
Issue number3
DOIs
StatePublished - Jun 2001

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Child Abuse
Brain
Neurobiology
Public Policy
Neurotransmitter Agents
Pharmacology
Research

ASJC Scopus subject areas

  • Developmental and Educational Psychology
  • Psychiatry and Mental health

Cite this

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abstract = "Child abuse is associated with markedly elevated rates of major depression (MDD) in child, adolescent, and adult cohorts. This article reviews preclinical (e.g., animal) studies of the effects of early stress and studies of the neurobiological correlates of MDD in adults and children, and it highlights differences in the neurobiological correlates of MDD and stress at various developmental stages. The preclinical studies demonstrate that stress early in life can alter the development multiple neurotransmitter systems and promote structural and functional alterations in brain regions similar to those seen in adults with depression. Preclinical and clinical studies suggest, however, that long-term neurobiological changes associated with early stress can be modified by familial/genetic factors, the quality of the subsequent caregiving environment, and pharmacological interventions. Little is known about how developmental factors interact with experiences of early stress and these other modifying factors. Moreover, in cases of child maltreatment, the effects of early abuse are often exacerbated by failures in the child protection system and repeat out-of-home placements. Given the number of factors that impact on the long-term outcome of maltreated children, multidisciplinary research efforts are recommended to address this problem - with foci that span from neurobiology to social policy.",
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