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This research aims to explore the functional differentiation and interactions among specific brain regions involved in semantic control.

December 11, 2025Communications BiologyOpen Access

Functional differentiation and interactions among inferior, medial frontal and posterior temporal cortex in semantic control

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Functional MRI identifies brain regions involved in semantic control, implying interactive mechanisms among neural circuits.

This research aims to explore the functional differentiation and interactions among specific brain regions involved in semantic control.
Utilized functional MRI to identify active brain regions during semantic tasks.
Employed transcranial magnetic stimulation to assess causal involvement of exposed areas.
Applied machine learning prediction analyses to evaluate semantic performance accuracy.
Conducted dynamic causal modeling to analyze interregional connectivity and inhibition effects.
Implemented Bayesian multiple regression to link stimulation effects with activation and field strength.
Identified that the inferior frontal gyrus and dorsal medial prefrontal cortex activate under complex semantic tasks.
Established that combined brain activity predicts semantic performance better than individual regions.
Revealed that semantic control activates self-inhibition and influences connectivity among regions.
Demonstrated that electric field strength impacts stimulation effects in frontal regions.

Liu et al. (2025) studied this question.

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