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Updated: Oct 16, 2025

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging

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Published on: November 8, 2012

Developmental changes within the extended face processing network: A cross-sectional functional magnetic resonance

Isabell Sahraei^1,2, Franziska E Hildesheim^1,2, Ina Thome^1,2

¹Laboratory for Multimodal Neuroimaging, Department of Psychiatry and Psychotherapy, Philipps-University Marburg, Marburg, Germany.

Developmental Neurobiology

|October 22, 2021

Summary

This summary is machine-generated.

Children exhibit greater extended face processing network activity than adults, particularly in the amygdala and insula. This suggests developmental decreases in face processing brain activity and a leftward shift in the inferior frontal gyrus (IFG).

Keywords:

amygdala children extended face processing network inferior frontal gyrus insula lateralization

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Published on: May 7, 2014

Area of Science:

Neuroscience
Developmental Psychology
Cognitive Science

Background:

The
core network
of face processing is well-researched, but the
extended network
remains less understood.
Neural activity in the core network is detectable via functional magnetic resonance imaging (fMRI) in both children and adults.

Purpose of the Study:

To compare brain activity in the extended face processing network between children and adults.
To investigate developmental changes in specific brain regions: amygdala, insula, and inferior frontal gyrus (IFG).

Main Methods:

Functional magnetic resonance imaging (fMRI) was employed to compare brain activation patterns.
Participants included children aged 7-9 years and adults.
An emotional face processing task was administered during fMRI scanning.

Main Results:

Children demonstrated heightened activity in the extended face processing system compared to adults, notably in the left amygdala, right insula, and left IFG.
Lateralization indices indicated a
leftward bias
in children's IFG activation relative to adults.
These findings suggest a developmental decrease in face processing brain activity.

Conclusions:

Face processing brain activity undergoes a developmental decrease from childhood to adulthood.
Development involves a rightward shift in IFG activation, potentially explained by the
developmental competition hypothesis
where neural resources are shared among competing brain functions.
The study highlights significant developmental differences in the extended face processing network.