The neurophysiological embedding of child maltreatment
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Steven J Holochwost1,2, Guan Wang3, Jacek Kolacz4
1Palmer Wolf Corporation, 8A Francis Avenue, Cambridge, MA02138, USA.
Insights
Childhood maltreatment can disrupt neurophysiological systems regulating metabolism. This review examines the impact on the nervous and endocrine systems, highlighting implications for health and policy.
Area of Science:
- Neuroscience
- Developmental Psychology
- Endocrinology
Background:
- Childhood maltreatment negatively affects child development across multiple domains.
- Maltreatment's effects may be mediated by neurophysiological systems governing metabolic function.
- Understanding these neurophysiological pathways is crucial for intervention.
Purpose of the Study:
- To review the association between childhood maltreatment and key neurophysiological systems.
- To examine the activity of the parasympathetic nervous system, sympathetic nervous system, and hypothalamic-pituitary-adrenal axis.
- To assess the consistency of findings across these systems during homeostasis and stress.
Main Methods:
- Literature review of studies on childhood maltreatment and neurophysiological systems.
- Analysis of research on the parasympathetic and sympathetic nervous systems.
- Examination of studies on the hypothalamic-pituitary-adrenal axis.
Main Results:
- Evidence suggests childhood maltreatment alters the activity of the autonomic nervous system and the hypothalamic-pituitary-adrenal axis.
- The impact on these systems may manifest differently under homeostatic and stress conditions.
- A common pattern of dysregulation across systems is suggested but requires further investigation.
Conclusions:
- Childhood maltreatment has profound, lasting effects on neurophysiological regulation.
- Future research should focus on clarifying the integrated response of these systems to maltreatment.
- Findings have significant implications for clinical practice and public policy aimed at supporting affected children.
Abstract:
Maltreatment adversely impacts the development of children across a host of domains. One way in which maltreatment may exert its deleterious effects is by becoming embedded in the activity of neurophysiological systems that regulate metabolic function. This paper reviews the literature regarding the association between childhood maltreatment and the activity of three systems: the parasympathetic nervous system, the sympathetic nervous system, and the hypothalamic-pituitary-adrenal axis. A particular emphasis is placed on the extent to which the literature supports a common account of activity across these systems under conditions of homeostasis and stress. The paper concludes with an outline of directions for future research and the implications of the literature for policy and practice.
