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Reverse Dissection and DiceCT Reveal Otherwise Hidden Data in the Evolution of the Primate Face
08:15

Reverse Dissection and DiceCT Reveal Otherwise Hidden Data in the Evolution of the Primate Face

Published on: January 7, 2019

Emerging structure-function relations in the developing face processing system.

K Suzanne Scherf1, Cibu Thomas2, Jaime Doyle3

  • 1Department of Psychology, The Pennsylvania State University, University Park, PA, USA.

Cerebral Cortex (New York, N.Y. : 1991)
|June 15, 2013
PubMed
Summary
This summary is machine-generated.

Brain development shows age-related changes in the inferior longitudinal fasciculus (ILF) and its connection to face recognition areas. This links structural and functional brain changes during development.

Keywords:
DTIIFOFILFadolescentchilddevelopmentfMRIvisual processing

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Last Updated: May 10, 2026

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Published on: January 7, 2019

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Area of Science:

  • Neuroscience
  • Developmental Neuroscience
  • Cognitive Neuroscience

Background:

  • Understanding how neural circuits develop is crucial for explaining complex behaviors.
  • The developing brain undergoes significant structural and functional changes, particularly in regions supporting specialized cognitive functions like face recognition.

Purpose of the Study:

  • To investigate age-related structural and functional differences in neural pathways supporting face recognition.
  • To explore the relationship between microstructural properties of white matter tracts and the functional characteristics of associated cortical regions during development.

Main Methods:

  • Functional neuroimaging and diffusion tensor imaging were used in a large sample of human participants (aged 6-23 years).
  • Microstructural and volumetric properties of the inferior longitudinal fasciculus (ILF) and other tracts were analyzed.
  • Functional characteristics of face- and place-selective regions were assessed.

Main Results:

  • Significant age-related differences were found in the volume, fractional anisotropy, and diffusivities (mean and radial) of the ILF.
  • These structural changes in the ILF were specifically correlated with an increase in the size of the fusiform face area.
  • No significant age-related differences were observed in axial diffusivity of the ILF.

Conclusions:

  • The developing inferior longitudinal fasciculus (ILF) exhibits substantial age-related structural changes.
  • These structural developments in the ILF are dynamically associated with the maturation of face-selective brain regions.
  • The findings offer insights into the mechanisms of neural circuit organization and optimization in the developing human cortex.