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Related Experiment Video

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Assessment of Perigenital Sensitivity and Prostatic Mast Cell Activation in a Mouse Model of Neonatal Maternal Separation

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Published on: August 13, 2015

Sensitive Periods.

Charles H Zeanah, Megan R Gunnar, Robert B McCall

Monographs of the Society for Research in Child Development

|August 16, 2014

Summary

This summary is machine-generated.

Sensitive periods in human brain development are critical times when experiences significantly shape neural circuitry. Early institutional rearing (first 4-6 months) shows minimal long-term risk, supporting the "earlier the better" caregiving approach.

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P50 Sensory Gating in Infants

P50 Sensory Gating in Infants

Published on: December 26, 2013

Area of Science:

Neuroscience
Developmental Psychology
Child Development

Background:

Sensitive periods are critical windows in development where experiences profoundly influence neural circuitry.
In humans, sensitive periods are often inferred from complex behaviors, potentially underestimating their occurrence at the neural level.
Understanding sensitive periods is crucial for interventions aimed at mitigating adverse developmental outcomes.

Purpose of the Study:

To review the literature on sensitive periods in human brain development, particularly in the context of institutional rearing.
To examine the impact of early life experiences on neural circuitry and complex behaviors.
To evaluate the evidence for specific sensitive periods and inform caregiving recommendations.

Main Methods:

Review of existing literature on children raised in institutional settings.
Analysis of studies examining the relationship between the timing and duration of institutional rearing and long-term developmental outcomes.
Inference of sensitive periods from behavioral and neural development research.

Main Results:

Institutional rearing within the first 4-6 months of life is generally not associated with a significant increase in long-term adverse effects.
Beyond 4-6 months, evidence for distinct sensitive periods becomes less compelling across various developmental domains.
The complexity of behaviors like IQ, attachment, and externalizing problems likely results from multiple underlying sensitive periods at the circuit level.

Conclusions:

The