bioRxivJClub
Representations of semantic relations in the human cerebral cortex
bioRxiv · · Preprint · Open access
Chen, Gong + 3 more
Abstract ↗AI summary
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fMRI in six participants shows that semantic relations are encoded distinctly from their relata across the human cerebral cortex, with each cortical location preferentially selective for specific relations.
- Why it matters: It remains unclear whether the brain represents semantic relations as part of concept representations or as independent codes, despite evidence that individual concepts use distributed cortical patterns.
- What they did: Six participants answered over one thousand fMRI-recorded questions spanning different semantic relations, enabling comparison of relation versus concept encoding across cortical regions.
- The result: Relation and concept representations appear in similar cortical regions, yet within those regions each location is preferentially selective for specific relations, implying shared functional organization.
The findingWhy it mattersWhat they didThe result
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