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Complementary hemispheric lateralization of language and social processing in the human brain.
Reza Rajimehr1, Arsalan Firoozi2, Hossein Rafipoor3
1MRC Cognition and Brain Sciences Unit, University of Cambridge, 15 Chaucer Road, CB2 7EF Cambridge, UK.
Cell Reports
|November 9, 2022
Summary
The human brain
Area of Science:
- Neuroscience
- Cognitive Science
- Psychology
Background:
- Human language is crucial for social communication.
- Brain regions for language may overlap with those for social cognition.
Purpose of the Study:
- To investigate the neural link between language and social processing.
- To compare brain activity during language and social tasks.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used.
- Data from over 1,000 human subjects were analyzed.
Main Results:
- Language and social tasks showed similar cortical activation patterns.
- Hemispheric lateralization was complementary: language tasks activated left areas, social tasks activated right areas within core language regions.
- Outside core language areas, both tasks showed left-lateralized activation, suggesting integrated processing.
Conclusions:
- A fundamental link exists between the neural basis of language and social cognition.
- Findings may inform understanding of neurocognitive mechanisms in social disorders like autism.
Keywords:
CP: Neurosciencecortical architecturefMRIhemispheric lateralizationhuman connectome projectlanguage processingsocial processingMore Related Videos
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