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Beta–gamma phase-amplitude coupling as a non-invasive biomarker for Parkinson’s diseas [Elektronski vir] : insights from Electroencephalography studiesHodnik, Tisa ...Phase-amplitude coupling (PAC) describes the interaction of two separate frequencies in which the lower frequency phase acts as a carrier frequency of the higher frequency amplitude. It is a means of ... carrying integrated streams of information between micro- and macroscale systems in the brain, allowing for coordinated activity of separate brain regions. A beta–gamma PAC increase over the sensorimotor cortex has been observed consistently in people with Parkinson’s disease (PD). Its cause is attributed to neural entrainment in the basal ganglia, caused by pathological degeneration characteristic of PD. Disruptions in this phenomenon in PD patients have been observed in the resting state as well as during movement recordings and have reliably distinguished patients from healthy participants. The changes can be detected non-invasively with the electroencephalogram (EEG). They correspond to the severity of the motor symptoms and the medication status of people with PD. Furthermore, a medication-induced decrease in PAC in PD correlates with the alleviation of motor symptoms measured by assessment scales. A beta–gamma PAC increase has, therefore, been explored as a possible means of quantifying motor pathology in PD. The application of this parameter to closed-loop deep brain stimulation could serve as a self-adaptation measure of such treatment, responding to fluctuations of motor symptom severity in PD. Furthermore, phase-dependent stimulation provides a new precise method for modulating PAC increases in the cortex. This review offers a comprehensive synthesis of the current EEG-based evidence on PAC fluctuations in PD, explores the potential practical utility of this biomarker, and provides recommendations for future research.Source: Life [Elektronski vir]. - ISSN 2075-1729 (Vol. 14, iss 3, [article no.] 391, 2023, 13 str.)Type of material - e-article ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 189852419
Author | Hodnik, Tisa ... |
Title | Beta–gamma phase-amplitude coupling as a non-invasive biomarker for Parkinson’s diseas [Elektronski vir] : insights from Electroencephalography studies |
Publication date | 2024-03-15 |
COBISS.SI-ID | 189852419 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
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ERA TALENTS FOR BOOSTING AND BALANCING BRAIN CIRCULATION | TBrainBoost | 101120150 |
European Commission |
Kineziologija za kakovost življenja | P5-0381-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
Files that belong to the publication
Link |
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https://doi.org/10.3390/life14030391 |
https://dirros.openscience.si/IzpisGradiva.php?id=18521 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Hodnik, Tisa | |
Roytman, Stiven | |
Bohnen, Nicolaas I. | |
Marušič, Uroš | 34516 |
Source: Personal bibliographies
and: SICRIS
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