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Higher Mental Functions of the Brain: Language01:10

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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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Related Experiment Video

Updated: Aug 9, 2025

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Gene Expression Correlates of the Cortical Network Underlying Sentence Processing.

Xiang-Zhen Kong1, Nathalie Tzourio-Mazoyer2,3,4, Marc Joliot2,3,4

  • 1Language and Genetics Department, Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands.

Neurobiology of Language (Cambridge, Mass.)
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Summary

Researchers identified genes linked to the brain's sentence-processing network, revealing connections to neural development and autism spectrum disorder. This study sheds light on the genetic underpinnings of language function in the human brain.

Keywords:
autismcorrelated gene expression networkfunctional networklanguageneural developmentsentence-processing network

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Area of Science:

  • Neuroscience
  • Genetics
  • Cognitive Science

Background:

  • Understanding the genetic regulation of brain circuits for cognitive functions is a key challenge in neuroscience.
  • The specific genes governing the high-level language network are not well understood.

Purpose of the Study:

  • To investigate the relationship between gene expression and functional brain networks in the human language system.
  • To identify specific genes associated with connectivity within the sentence-processing network.

Main Methods:

  • Integrated analysis combining regional gene expression data with task functional MRI (fMRI).
  • Utilized large-scale neuroimaging meta-analysis and resting-state functional network approaches.
  • Employed three different strategies to define brain networks and identify gene-network correlations.

Main Results:

  • Identified a consensus set of genes correlated with connectivity in the sentence-processing network.
  • Genes implicated showed enrichment for neural development and actin-related functions.
  • Found associations between these genes and autism spectrum disorder, which often involves language impairments.

Conclusions:

  • Elucidated the molecular basis of the brain's language infrastructure.
  • The integrative methodology provides a framework for studying other complex cognitive traits.
  • Highlights potential genetic links between language networks and neurodevelopmental disorders like autism.