4.6 Review

Dynamic coupling of oscillatory neural activity and its roles in visual attention

Journal

TRENDS IN NEUROSCIENCES
Volume 45, Issue 4, Pages 323-335

Publisher

CELL PRESS
DOI: 10.1016/j.tins.2022.01.003

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Funding

  1. Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [154113120 - SFB 889, 436260547, 1847-A 1]
  2. Australian National Health and Medical Research Council [626668]
  3. University of Goettingen
  4. German Primate Center - Academy of Sciences, Goettingen, Germany

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Oscillatory neural activity plays a key role in information processing in the brain. Multiple frequency bands of simultaneous activity and their interactions are important for high-level cognitive functions. Cross frequency coupling is crucial for visual attention and can label different submodalities of sensory information.
Oscillatory neural activity is believed to have a central role in information processing in the mammalian brain. While early studies often focussed on the function of individual frequency bands, there is emerging appreciation for the role of simultaneous activity in many distinct frequency bands and the interactions between them in high-level cognitive functions. Here, we focus on the role of cross frequency coupling (CFC) in visual attention. First, we propose a framework that reconciles previous contrasting findings, showing how CFC could have a functional role on both intra-and interareal scales. Second, we outline how CFC between distinct frequency bands could label different submodalities of sensory information. Overall, our scheme provides a novel perspective of how interfrequency interaction contributes to efficient and dynamic processing of information across the brain.

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