Related Experiment Video

Updated: Aug 9, 2026

Limited Bedding and Nesting as a Model for Early-Life Adversity in Mice
04:20

Limited Bedding and Nesting as a Model for Early-Life Adversity in Mice

Published on: July 12, 2024

Foster children's diurnal production of cortisol: an exploratory study

Mary Dozier1, Melissa Manni, M Kathleen Gordon

  • 1Department of Psychology, University of Delaware, USA.

Child Maltreatment
|April 6, 2006
PubMed

Insights

Children in foster care show altered cortisol patterns, indicating potential long-term stress responses. Early adversity impacts the hypothalamic-pituitary-adrenal (HPA) axis regulation in young children.

Area of Science:

  • Neuroendocrinology
  • Developmental Psychology
  • Child Welfare

Background:

  • Early life adversity, including inadequate care and caregiver separations, can impact neurodevelopment.
  • Preclinical research suggests long-term alterations in the hypothalamic-pituitary-adrenal (HPA) axis regulation due to early stress.

Purpose of the Study:

  • To examine daytime cortisol production patterns in young children in foster care compared to a non-foster care group.
  • To investigate the association between foster care placement and HPA axis regulation in early childhood.

Main Methods:

  • Salivary cortisol samples collected over two days at wake-up, afternoon, and bedtime from 55 children in foster care and 104 comparison children.
  • Analysis of average salivary cortisol values for each time point to identify daytime patterns.
  • Categorization of cortisol patterns as typical, low, or high.

Main Results:

  • A significant interaction between group (foster vs. comparison) and time of day was observed.
  • Foster care children exhibited a less pronounced decline in cortisol levels throughout the day compared to comparison children.
  • Children in foster care showed a higher prevalence of atypical cortisol production patterns.

Conclusions:

  • Foster care conditions are associated with disrupted HPA axis regulation in young children.
  • Early life stress related to foster care may lead to long-term neuroendocrine dysregulation.
  • These findings highlight the need for supportive interventions for children in foster care to mitigate stress impacts.

More Related Videos

Cortisol Measurement in Koala (Phascolarctos cinereus) Fur09:11

Cortisol Measurement in Koala (Phascolarctos cinereus) Fur

Published on: August 23, 2019

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents06:15

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

Published on: July 10, 2017

Related Concept Videos

Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...
Cushing Syndrome I: Introduction01:26

Cushing Syndrome I: Introduction

Cushing syndrome refers to the collection of clinical manifestations that arise when tissues are exposed to excessive amounts of cortisol or cortisol-like medications over an extended period. Cortisol, a glucocorticoid produced by the adrenal cortex, regulates metabolism, immune responses, and the body’s adaptation to stress. When its concentration remains chronically elevated, these physiological pathways become dysregulated, resulting in the characteristic features of the syndrome.Exogenous...