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Temporal Coherence in the Synchronization of Brain Electrical Activity Patterns: An Application with the RMS Fluctuation Function

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Open Access
Article Type Research Article
Subject General Science
OCLC JBRES Record
Florencio Mendes Oliveira Filho* and Gilney Figueira Zebende
Issue: Volume5-Issue2
Pages: 221-226
Received: 2024-02-06
Accepted: 2024-02-26
Published: 2024-02-29

Abstract

In this article, we performed a preliminary test with the mean square fluctuation (RMS) function, using EEG data, in which the task consisted of the response given to the real/imagined motor stimulus. All steps, up to the configuration of the RMS function, relied on information from subject S010, available in the Physionet database. We analyzed 12 of the 64 channels and four stimuli. We evaluated the amplitude of channels 32 and 37 in relation to the others (11, 22, 24, 43, 44, 49, 54, 61, 63 and 64). We quantitatively observed similarities when the brain perfoRMS the same real/imagined motor task, and that the timing of the amplitude changes with increasing n scale (time scales). In all experiments (S010R03, S010I03, S010R04, S010I04, S010R05, S010I05, S010R06 and S010I06), channels 32 x 22(∆logF32,22) and 37 x 24 (∆logF37,24), for n > 100 (60 seconds), were smaller than the others, showing so channels 32 and 37 (left/right hemisphere) have the greatest fluctuation and differences between them. From data processing (.EDF) to visualization of the curves (FDFA / ∆log), we concluded that it is possible to replicate the test with more channels and subjects, as well as investigate other types of activities of the human brain with signals extracted from the EEG.

FullText HTML FullText PDF DOI: 10.37871/jbres1885 Crossmark

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© 2024 Oliveira Filho FM, et al. Distributed under Creative Commons CC-BY 4.0 Creative CommonsAttribution

How to cite this article

Oliveira Filho FM, Zebende GF. Temporal Coherence in the Synchronization of Brain Electrical Activity Patterns: An Application with the RMS Fluctuation Function. J Biomed Res Environ Sci. 2024 Feb 29; 5(2): 221-226. doi: 10.37871/jbres1885, Article ID: JBRES1885, Available at: https://www.jelsciences.com/articles/jbres1885.pdf

Subject area(s)

Physics

References

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