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Hazards to Early Development: The Biological Embedding of Early Life Adversity

Charles A Nelson1

  • 1Department of Pediatrics, Harvard Medical School, Boston, MA, USA; Graduate School of Education, Harvard University, Boston, MA, USA; Division of Developmental Medicine, Boston Children's Hospital, Boston, MA, USA.

Neuron
|October 13, 2017
PubMed

Insights

Child survival has improved globally, but many children face developmental challenges. This article explores how adverse experiences impact the developing brain, affecting long-term potential.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Pediatrics

Background:

  • Global child population growth driven by improved survival rates.
  • Children surviving early threats still face developmental risks.
  • Biological and psychosocial challenges hinder child development worldwide.

Purpose of the Study:

  • To examine the impact of adverse experiences on the developing brain.
  • To understand how early life challenges affect neurodevelopmental trajectories.

Main Methods:

  • This article synthesizes existing research on child development and neurobiology.
  • It reviews studies on biological and psychosocial stressors in childhood.

Main Results:

  • Adverse experiences significantly impact brain structure and function.
  • Early life stress can lead to long-term neurodevelopmental deficits.
  • The developing brain is particularly vulnerable to environmental influences.

Conclusions:

  • Understanding the effects of adverse experiences is crucial for child development.
  • Interventions targeting early life challenges can mitigate negative neurodevelopmental outcomes.
  • Protecting the developing brain from adversity is essential for lifelong well-being.

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