Author Contributions
K.Z.: meaningful participation in the key phases of research and publication process, research project conceptualization, verification of results and analysis, manuscript writing, responses to reviewers, literature review, and implementing the GI relaxation technique; G.S.: research idea, selection of participants in the cohort, and statistical analysis; K.W.: EEG recordings, work in the laboratory, and data analysis; F.P.: EEG recordings, work in the laboratory, and data analysis; G.M.W.: head of the project, experiment idea and coordination, data science pipeline design, and manuscript writing. All authors have read and agreed to the published version of the manuscript.