Early care experiences and HPA axis regulation in children

a mechanism for later trauma vulnerability

Research output: Chapter in Book/Report/Conference proceedingChapter

143 Citations (Scopus)

Abstract

Post-traumatic stress disorder (PTSD) is associated with functional abnormalities of the hypothalamic-pituitary-adrenocortical (HPA) axis. Emerging evidence suggests that failures in social regulation of the HPA axis in young children manifested as neglectful or abusive care may play a role in shaping cortico-limbic circuits involved in processing experiences threatening experiences encountered later in life. Low cortisol levels, particularly near the peak of the diurnal rhythm, have been reported in abused, neglected and deprived children. Thus early imprinting effects of parenting quality on the HPA system regulation may be one of the mechanisms causing heightened risk of PTSD in responses to later trauma. However there is also evidence that the altered patterns of cortisol production seen in the context of early adverse care are not permanent, and remit once the care children receive improves. What awaits study is whether periods of atypical cortisol levels and altered HPA function early in life, even if transient, impact brain development in ways that heighten vulnerability to PTSD in response to traumas experienced later.

Original languageEnglish (US)
Title of host publicationStress Hormones and Post Traumatic Stress Disorder Basic Studies and Clinical Perspectives
EditorsRonlad Kloet, Melly Oitzl, Eric Vermetten
Pages137-149
Number of pages13
DOIs
StatePublished - Nov 22 2007

Publication series

NameProgress in Brain Research
Volume167
ISSN (Print)0079-6123

Fingerprint

Post-Traumatic Stress Disorders
Hydrocortisone
Wounds and Injuries
Parenting
Child Care
Circadian Rhythm
Brain

Keywords

  • children
  • cortisol
  • early experience
  • stress

Cite this

Gunnar, M. R., & Quevedo, K. (2007). Early care experiences and HPA axis regulation in children: a mechanism for later trauma vulnerability. In R. Kloet, M. Oitzl, & E. Vermetten (Eds.), Stress Hormones and Post Traumatic Stress Disorder Basic Studies and Clinical Perspectives (pp. 137-149). (Progress in Brain Research; Vol. 167). https://doi.org/10.1016/S0079-6123(07)67010-1

Early care experiences and HPA axis regulation in children : a mechanism for later trauma vulnerability. / Gunnar, Megan R; Quevedo, Karina.

Stress Hormones and Post Traumatic Stress Disorder Basic Studies and Clinical Perspectives. ed. / Ronlad Kloet; Melly Oitzl; Eric Vermetten. 2007. p. 137-149 (Progress in Brain Research; Vol. 167).

Research output: Chapter in Book/Report/Conference proceedingChapter

Gunnar, MR & Quevedo, K 2007, Early care experiences and HPA axis regulation in children: a mechanism for later trauma vulnerability. in R Kloet, M Oitzl & E Vermetten (eds), Stress Hormones and Post Traumatic Stress Disorder Basic Studies and Clinical Perspectives. Progress in Brain Research, vol. 167, pp. 137-149. https://doi.org/10.1016/S0079-6123(07)67010-1
Gunnar MR, Quevedo K. Early care experiences and HPA axis regulation in children: a mechanism for later trauma vulnerability. In Kloet R, Oitzl M, Vermetten E, editors, Stress Hormones and Post Traumatic Stress Disorder Basic Studies and Clinical Perspectives. 2007. p. 137-149. (Progress in Brain Research). https://doi.org/10.1016/S0079-6123(07)67010-1
Gunnar, Megan R ; Quevedo, Karina. / Early care experiences and HPA axis regulation in children : a mechanism for later trauma vulnerability. Stress Hormones and Post Traumatic Stress Disorder Basic Studies and Clinical Perspectives. editor / Ronlad Kloet ; Melly Oitzl ; Eric Vermetten. 2007. pp. 137-149 (Progress in Brain Research).
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