Training Datasets for Epilepsy Analysis: Preprocessing and Feature Extraction from Electroencephalography Time Series

Christian Riccio, Angelo Martone, Gaetano Zazzaro () and Luigi Pavone
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Christian Riccio: Department of Civil Engineering, University of Naples Federico II, 80125 Napoli, Italy
Angelo Martone: Laboratory of IT Plant Maintenance, CIRA (Italian Aerospace Research Centre), 81043 Capua, Italy
Gaetano Zazzaro: Laboratory of IT Test Management and Data Acquisition, CIRA (Italian Aerospace Research Centre), 81043 Capua, Italy
Luigi Pavone: IRCCS Neuromed, 86077 Pozzilli, Italy

Data, 2024, vol. 9, issue 5, 1-10

Abstract: We describe 20 datasets derived through signal filtering and feature extraction steps applied to the raw time series EEG data of 20 epileptic patients, as well as the methods we used to derive them. Background: Epilepsy is a complex neurological disorder which has seizures as its hallmark. Electroencephalography plays a crucial role in epilepsy assessment, offering insights into the brain’s electrical activity and advancing our understanding of seizures. The availability of tagged training sets covering all seizure phases—inter-ictal, pre-ictal, ictal, and post-ictal—is crucial for data-driven epilepsy analyses. Methods: Using the sliding window technique with a two-second window length and a one-second time slip, we extract multiple features from the preprocessed EEG time series of 20 patients from the Freiburg Seizure Prediction Database. In addition, we assign a class label to each instance to specify its corresponding seizure phase. All these operations are made through a software application we developed, which is named Training Builder. Results: The 20 tagged training datasets each contain 1080 univariate and bivariate features, and are openly and publicly available. Conclusions: The datasets support the training of data-driven models for seizure detection, prediction, and clustering, based on features engineering.

Keywords: data science; epilepsy; feature extraction; seizure data; signal preprocessing; training datasets (search for similar items in EconPapers)
JEL-codes: C8 C80 C81 C82 C83 (search for similar items in EconPapers)
Date: 2024
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