Enhancing epileptic seizure detection via augmentation of electroencephalography (EEG) signals using a single-transistor chaotic oscillator

There are three main zip files for the experimental recordings. The first, circuit_8hz_zenodo, contains oscilloscope images along with the figures generated for Fig. 15. The second, data_without_8hz_zenodo, includes various EEG periods without augmentation, organized into three folders: After (post-ictal signals from 43 patients, named a_00.csv to a_42.csv), Before (pre-ictal signals from 43 patients, named b_00.csv to b_42.csv), and During (ictal signals from 43 patients, named d_00.csv to d_42.csv). In these files, the raw signals are stored in the first column, while the alpha band signals are in the second column. The third zip file, aug_8hz_new_zenodo_1, contains EEG periods with augmentation, also organized into three folders: After_band_Rvalues, Before_band_Rvalues, and During_band_Rvalues, each holding signals from 43 patients with filenames ranging from a_00.csv to a_42.csv, b_00.csv to b_42.csv, and d_00.csv to d_42.csv respectively. In this dataset, two bands are considered: Alpha and Raw. The R-values correspond to different resistances: R020 (20 Ω), R100 (100 Ω), R250 (250 Ω), R464 (464 Ω), and R10000 (10 kΩ). Each CSV file consists of three columns: the first for the alpha band signals, the second for the circuit output (uC1), and the third for the raw signals. Acknowledgements: L.M. gratefully acknowledges the support of the "Hundred Talents" program of the University of Electronic Science and Technology of China, of the "Outstanding Young Talents Pro- gram (Overseas)" program of the National Natural Science Foundation of China, and of the talent programs of the Sichuan province and Chengdu municipality. Competing Interests: The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Ludovico Minati and Natsue Yoshimura have patent #PCT application no. WO2021019776A1 and Japanese patent P2022-551370A, priority to PCT/JP2019/030295, for an inven- tion named “Brain–computer interface system suitable for syn- chronizing one or more nonlinear dynamical systems with the brain activity of a person” issued to the Tokyo Institute of Tech- nology. The claims of said invention, however, specifically re- quire the presence of a classifier of imaginary actions suitable for emitting commands to execute physical actions, whereas the present work is more widely applicable to situations where such elements are not necessarily present.