Association of Bidirectional Network Cores in the Brain with Perceptual Awareness and Cognition
The Journal Club28 Apr 2025

Association of Bidirectional Network Cores in the Brain with Perceptual Awareness and Cognition

To understand the brain’s network, we need to decipher its structural features linked to cognitive functions. Recent studies suggest the importance of subnetworks with bidirectional interactions for conscious perception, but their exact relationship remains unclear due to the brain’s complexity. Here, we propose a framework for extracting subnetworks with strong bidirectional interactions, or network “cores.” We applied it to fMRI data and explored the association of the cores with conscious perception and cognitive functions. The central cores predominantly included cortical regions rather than subcortical ones, and tended to comprise previously reported regions wherein electrical stimulation altered perception, suggesting the potential importance of bidirectional cores for conscious perception. Additionally, further analysis revealed the relationship of the cores to unimodal sensorimotor functions.


Taguchi T, Kitazono J, Sasai S, Oizumi M. Association of Bidirectional Network Cores in the Brain with Perceptual Awareness and Cognition. J Neurosci. 2025 Apr 23

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