Related Experiment Video

Updated: Dec 20, 2025

Measuring Cardiac Autonomic Nervous System ANS Activity in Toddlers - Resting and Developmental Challenges
08:22

Measuring Cardiac Autonomic Nervous System ANS Activity in Toddlers - Resting and Developmental Challenges

Published on: February 25, 2016

15.8K

Infant behavioral reactivity predicts change in amygdala volume 12 years later

Courtney A Filippi1, Jessica F Sachs2, Dominique Phillips2

  • 1Section on Development and Affective Neuroscience, National Institute of Mental Health, Bethesda, MD, 20892, United States; Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD, 20742, United States.

Developmental Cognitive Neuroscience
|May 27, 2020
PubMed

Insights

Infant temperament influences brain development. Children with negative reactivity showed slower left amygdala growth in middle childhood compared to those with positive reactivity.

Area of Science:

  • Developmental neuroscience
  • Child psychology
  • Neuroimaging

Background:

  • Early childhood temperament is a key developmental factor.
  • The amygdala plays a crucial role in emotional processing and development.
  • Understanding the link between early temperament and brain structure is vital.

Purpose of the Study:

  • To investigate the relationship between infant temperamental reactivity and amygdala development.
  • To determine if early temperament predicts differences in amygdala volume changes during middle childhood.

Main Methods:

  • Longitudinal study design.
  • Assessment of infant temperament in 291 four-month-olds, categorizing them into negative and positive reactivity groups.
  • Structural magnetic resonance imaging (MRI) of the amygdala in a subset of participants at 10 and 12 years of age.

Main Results:

  • Participants with negative temperamental reactivity exhibited a slower rate of left amygdala volume increase between ages 10 and 12.
  • This difference in growth trajectory was observed when compared to participants with positive temperamental reactivity.

Conclusions:

  • Early temperamental reactivity is associated with distinct patterns of amygdala development throughout middle childhood.
  • These findings highlight a potential neurobiological pathway linking early personality traits to later brain structure.
  • This research offers novel insights into the long-term impact of early temperament on brain maturation.

Keywords:
AmygdalaBrainDevelopmentReactivityTemperament

More Related Videos

Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia13:08

Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia

Published on: December 2, 2015

9.3K
Profiling Maternal Behavior Responses During Whole-Brain Imaging07:12

Profiling Maternal Behavior Responses During Whole-Brain Imaging

Published on: January 24, 2025

1.2K

Related Concept Videos

Socioemotional Development during Infancy01:30

Socioemotional Development during Infancy

Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
337
Role of Amygdala in Memory01:16

Role of Amygdala in Memory

The amygdala is a small, almond-shaped structure responsible for processing and storing memories, particularly those linked to emotions like fear and stress. It plays an essential role in the brain's response to emotionally significant events and often enhances memory formation by triggering stress hormone release. The amygdala is vital for encoding and retrieving memories associated with fear or stress, a process that is adaptive by helping organisms avoid dangerous situations.
One of the...
880