AI Article Synopsis
- Brain-wide communication is essential for coordinating sensory and associative brain regions during tasks that require attention.
- High-frequency activity bursts (HFAb) facilitate rapid long-range communication by serving as events that carry information between different brain areas.
- The study found that HFAb coordination can predict successful target detection in attention tasks, highlighting its role in efficient brain-wide information routing and supporting attentional performance.
Article Abstract
Brain-wide communication supports behaviors that require coordination between sensory and associative regions. However, how large-scale brain networks route sensory information at fast timescales to guide upcoming actions remains unclear. Using spiking neural networks and human intracranial electrophysiology during spatial attention tasks, where participants detected a target at cued locations, we show that high-frequency activity bursts (HFAb) serve as information-carrying events, facilitating fast and long-range communications. HFAbs emerged as bouts of neural population spiking and were coordinated brain-wide through low-frequency rhythms. At the network-level, HFAb coordination identified distinct cue- and target-activated subnetworks. HFAbs following the cue onset in cue-subnetworks predicted successful target detection and preceded the information in target-subnetworks following target onset. Our findings suggest HFAbs as a neural mechanism for fast brain-wide information routing that supports attentional performance.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11419049 | PMC |
| http://dx.doi.org/10.1101/2024.09.11.612548 | DOI Listing |
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