Extreme events in epileptic EEG of rodents after ischemic stroke
Extreme events are observed on electroencephalographic (EEG) recordings of rodents with induced ischemic stroke. These events represent themselves as post-stroke epileptic seizures in the form of spontaneous high-amplitude oscillations, which appear during the first 2–3 h after induced focal cerebra...
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| Veröffentlicht in: | The European physical journal. ST, Special topics Special topics, 2018-10, Vol.227 (7-9), p.921-932 |
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| container_title | The European physical journal. ST, Special topics |
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| creator | Pisarchik, A. N. Grubov, V. V. Maksimenko, V. A. Lüttjohann, A. Frolov, N. S. Marqués-Pascual, C. Gonzalez-Nieto, D. Khramova, M. V. Hramov, A. E. |
| description | Extreme events are observed on electroencephalographic (EEG) recordings of rodents with induced ischemic stroke. These events represent themselves as post-stroke epileptic seizures in the form of spontaneous high-amplitude oscillations, which appear during the first 2–3 h after induced focal cerebral ischemia. The analysis of the EEG time-frequency structure reveals these extreme events as a sharp sudden growth of the wavelet energy in a particular frequency band, while the energy in the resting part of the power spectrum remains normal. The distinguished features of the extreme events are used for detection and quantification of the pathological brain activity. |
| doi_str_mv | 10.1140/epjst/e2018-800019-1 |
| format | Article |
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ST, Special topics</jtitle><stitle>Eur. Phys. J. Spec. Top</stitle><date>2018-10-01</date><risdate>2018</risdate><volume>227</volume><issue>7-9</issue><spage>921</spage><epage>932</epage><pages>921-932</pages><issn>1951-6355</issn><eissn>1951-6401</eissn><abstract>Extreme events are observed on electroencephalographic (EEG) recordings of rodents with induced ischemic stroke. These events represent themselves as post-stroke epileptic seizures in the form of spontaneous high-amplitude oscillations, which appear during the first 2–3 h after induced focal cerebral ischemia. The analysis of the EEG time-frequency structure reveals these extreme events as a sharp sudden growth of the wavelet energy in a particular frequency band, while the energy in the resting part of the power spectrum remains normal. 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| subjects | Atomic Brain Classical and Continuum Physics Condensed Matter Physics Electroencephalography Ischemia Materials Science Measurement Science and Instrumentation Molecular Nonlinear Effects in Life Sciences Optical and Plasma Physics Physics Physics and Astronomy Regular Article Rodents Seizures Wavelet analysis |
| title | Extreme events in epileptic EEG of rodents after ischemic stroke |
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