Statistical analysis of local fluctuations in the signal profile: application to electrocorticogramsA. N. Pavlov and O. V. Semyachkina-GlushkovskayaEur. Phys. J. Spec. Top., 233 3 (2024) 471-477DOI: https://doi.org/10.1140/epjs/s11734-023-01047-5