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J. Neur. Syst."],"published-print":{"date-parts":[[2020,12]]},"abstract":"<jats:p>To identify precursors of epileptic seizures, an EEG characteristic analysis is carried out based on a roughness-length method, where fractal dimensions and intercept values are extracted to measure the structure complexity and the amplitude roughness of EEG signals in different phases. Using the significant changes of the fractal dimension and intercept in the preictal phase with respect to those in the interictal phase, a patient-specific seizure prediction algorithm is then proposed by combining with a gradient boosting classifier. The probabilistic outputs of the trained gradient boosting classifier are further processed by threshold comparison and rule-based judgment to distinguish preictal EEG from interictal EEG and to generate seizure alerts. The prediction algorithm was evaluated on 20 patients\u2019 intracranial EEG recordings from the Freiburg EEG database, which contains the preictal periods of 65 seizures and 499[Formula: see text]h interictal EEG. Setting the seizure prediction horizon as 2[Formula: see text]min, averaged sensitivity values of 90.42% and 91.67% with averaged false prediction rates of 0.12\/h and 0.10\/h were achieved for seizure occurrence periods of 30 and 50[Formula: see text]min, respectively. These results demonstrate the ability of fractal dimension and intercept metrics in predicting the occurrence of seizures.<\/jats:p>","DOI":"10.1142\/s0129065720500720","type":"journal-article","created":{"date-parts":[[2020,10,7]],"date-time":"2020-10-07T11:40:36Z","timestamp":1602070836000},"page":"2050072","source":"Crossref","is-referenced-by-count":26,"title":["Roughness-Length-Based Characteristic Analysis of Intracranial EEG and Epileptic Seizure Prediction"],"prefix":"10.1142","volume":"30","author":[{"given":"Yanli","family":"Zhang","sequence":"first","affiliation":[{"name":"School of Information and Electronic Engineering, Shandong Technology and Business University, 191 Binhai Middle Road, Yantai 264005, P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rendi","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, P. R. 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