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Updated: Jul 31, 2026

Statistical Modelling of Cortical Connectivity Using Non-invasive Electroencephalograms
Published on: November 1, 2019
A mechanism for cognitive dynamics: neuronal communication through neuronal coherence
1F.C. Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, 6525 EN Nijmegen, The Netherlands. p.fries@fcdonders.ru.nl
Neuronal coherence, the synchronized oscillations of brain regions, enables flexible communication between active neuronal groups. This coordinated communication underlies our brain
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Computational Neuroscience
Background:
- The brain features numerous simultaneously active neuronal groups.
- Single-neuron activity and broad brain activation patterns are well-documented.
- Understanding the interaction and flexible modulation of these neuronal groups is crucial for cognitive dynamics.
Purpose of the Study:
- To investigate the role of neuronal coherence in mediating communication between active neuronal groups.
- To explore how neuronal coherence supports cognitive flexibility.
Main Methods:
- Hypothesizing neuronal coherence as the mechanism for neuronal communication.
- Describing neuronal oscillations and rhythmic excitability fluctuations.
- Defining temporal windows for neuronal communication.
Main Results:
- Coherent oscillations allow neuronal groups to interact effectively.
- Synchronized communication windows are essential for effective neuronal interaction.
- Flexible patterns of coherence establish flexible communication structures.
Conclusions:
- Neuronal coherence is the mechanistic basis for flexible neuronal communication.
- Flexible communication structures, defined by coherence, are fundamental to cognitive flexibility.
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