Neural interactions occur on different levels and scales. It is of particular importance to understand how they are distributed among different neuroanatomical and physiological relevant brain regions. We investigated neural cross-frequency couplings between different brain regions according to the Desikan–Killiany brain parcellation. The adaptive dynamic Bayesian inference method was applied to EEG measurements of healthy resting subjects in order to reconstruct the coupling functions. It was found that even after averaging over all subjects, the mean coupling function showed a characteristic waveform, confirming the direct influence of the delta-phase on the alpha-phase dynamics in certain brain regions and that the shape of the coupling function changes for different regions. While the averaged coupling function within a region was of similar form, the region-averaged coupling function was averaged out, which implies that there is a common dependence within separate regions across the subjects. It was also found that for certain regions the influence of delta on alpha oscillations is more pronounced and that oscillations that influence other are more evenly distributed across brain regions than the influenced oscillations. When presenting the information on brain lobes, it was shown that the influence of delta emanating from the brain as a whole is greatest on the alpha oscillations of the cingulate frontal lobe, and at the same time the influence of delta from the cingulate parietal brain lobe is greatest on the alpha oscillations of the whole brain.
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October 2023
Research Article|
October 16 2023
Delta-alpha cross-frequency coupling for different brain regions
Special Collection:
Disruption of Networks and System Dynamics
Dushko Lukarski
;
Dushko Lukarski
(Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft)
1
Faculty of Medicine, Ss. Cyril and Methodius University
, 1000 Skopje, Macedonia
2
University Clinic for Radiotherapy and Oncology
, 1000 Skopje, Macedonia
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Spase Petkoski
;
Spase Petkoski
(Conceptualization, Methodology, Writing – original draft)
3
Aix Marseille Univ, INSERM, Inst Neurosci Syst (INS)
, 13005 Marseille, France
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Peng Ji
;
Peng Ji
(Formal analysis, Funding acquisition, Methodology, Project administration, Writing – original draft)
4
Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University
, 200433 Shanghai, China
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Tomislav Stankovski
Tomislav Stankovski
a)
(Conceptualization, Formal analysis, Funding acquisition, Methodology, Supervision, Writing – original draft)
1
Faculty of Medicine, Ss. Cyril and Methodius University
, 1000 Skopje, Macedonia
5
Department of Physics, Lancaster University
, LA1 4YB Lancaster, United Kingdom
a)Author to whom correspondence should be addressed: t.stankovski@ukim.edu.mk
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a)Author to whom correspondence should be addressed: t.stankovski@ukim.edu.mk
Chaos 33, 103126 (2023)
Article history
Received:
May 13 2023
Accepted:
September 26 2023
Citation
Dushko Lukarski, Spase Petkoski, Peng Ji, Tomislav Stankovski; Delta-alpha cross-frequency coupling for different brain regions. Chaos 1 October 2023; 33 (10): 103126. https://doi.org/10.1063/5.0157979
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