Cited by 418Child Abuse and TraumaStress Responses and CortisolChild and Adolescent Psychosocial and Emotional Development

Early life influences on life-long patterns of behavior and health

McEwen, Bruce S.·2003·Mental Retardation and Developmental Disabilities Research Reviews

Abstract

The stability of a child's early life has profound effects on physical and mental health, and unstable parent-child relationships, as well as abuse, can lead to behavioral disorders and increased mortality and morbidity from a wide variety of common diseases later in life. One common consequence, namely, depressive illness, is associated with chemical imbalances in the brain and hormonal dysregulation, constituting a form of allostatic load that alters interpretations of stimuli and influences, behavioral, and hormonal responses to potentially stressful situations. The brain not only encodes information and controls the behavioral responses but it is also changed structurally by those experiences. Structural changes in the hippocampus and amygdala, which are important brain structures for cognition and emotion, are representative of what may be occurring throughout the brain as a result of allostatic load resulting from the chronic stress of a disorder such as depression. Such structural changes include dendritic debranching and hypertrophy, cell proliferation, and synaptic remodeling; they are produced by the combined overactivity of stress hormones and endogenous neurotransmitters. These mediators are normally involved in adaptation, but can also promote damage when they are dysregulated and over-active. They are very likely to be strongly biased by early life experiences. The findings from animal models thus provide a basis for understanding potential mechanisms of environ…

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Crossref · 10.1002/mrdd.10074

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Authors
McEwen, B. S.
Affiliations
Rockefeller University (US)
Corresponding author
McEwen, Bruce S.
Venue
Mental Retardation and Developmental Disabilities Research Reviews
Publisher
Wiley
Published
2003-01
Volume
9
Issue
3
Pages
149-154
ISSN
  • 1080-4013 (ISSN-L)
  • 1098-2779
OpenAlex
W2164402789
Cited by
418
References
93
Citations by year
2026: 11 · 2025: 15 · 2024: 12 · 2023: 13 · 2022: 9 · 2021: 21 · 2020: 16 · 2019: 16 · 2018: 16 · 2017: 17 · 2016: 30 · 2015: 24 · 2014: 31 · 2013: 22 · 2012: 28
FWCI
2.35
Type
journal article
Language
en
Open access
closed
Locations
  • Mental Retardation and Developmental Disabilities Research Reviews (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • John D. and Catherine T. MacArthur Foundation
  • National Institute of Mental Health (MH-41256, P50MH058911, P50-MH58911)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Child Abuse and Trauma
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Social Sciences › Psychology › Clinical Psychology › Child and Adolescent Psychosocial and Emotional Development
Keywords
childhood adversity, allostatic load, depression, chronic stress, hippocampus, amygdala, synaptic remodeling, stress hormones, parent-child relationship, child abuse, stress reactivity, anxiety, behavioral disorders, animal models
MeSH terms
Amygdala, Animals, Anxiety, Child, Child Abuse, Child Behavior Disorders, Child, Preschool, Conditioning, Psychological, Corticotropin-Releasing Hormone, Depression, Fear, Hippocampus, Hostility, Humans, Hypothalamo-Hypophyseal System, Infant, Infant, Newborn, Parent-Child Relations, Pituitary-Adrenal System, Serotonin, Stress, Psychological

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