High Frequency Oscillations and spikes: Separating real HFOs from false oscillations

High Frequency Oscillations and spikes: Separating real HFOs from false oscillations

Highlights • We studied simultaneous sharp events and High Frequency Oscillations (HFOs, 80–500 Hz) in intracranial EEG. • We developed a method to separate real oscillations from those generated by the filtering of sharp transients using detection of oscillations on the original signal. • Time–freq...

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Veröffentlicht in:Clinical neurophysiology 2016-01, Vol.127 (1), p.187-196
Hauptverfasser: Amiri, Mina, Lina, Jean-Marc, Pizzo, Francesca, Gotman, Jean
Format: Artikel
Sprache:eng
Schlagworte:
Action Potentials
Adult
Algorithms
Electroencephalography - methods
Epilepsy
Epilepsy - physiopathology
Female
Filtering
High Frequency Oscillations
Humans
Male
Middle Aged
Neurology
Sharp event
Time–frequency
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container_end_page 196
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container_title Clinical neurophysiology
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creator Amiri, Mina
Lina, Jean-Marc
Pizzo, Francesca
Gotman, Jean
description Highlights • We studied simultaneous sharp events and High Frequency Oscillations (HFOs, 80–500 Hz) in intracranial EEG. • We developed a method to separate real oscillations from those generated by the filtering of sharp transients using detection of oscillations on the original signal. • Time–frequency representation may mask real HFOs concurrent with broadband activities.
doi_str_mv 10.1016/j.clinph.2015.04.290
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subjects Action Potentials
Adult
Algorithms
Electroencephalography - methods
Epilepsy
Epilepsy - physiopathology
Female
Filtering
High Frequency Oscillations
Humans
Male
Middle Aged
Neurology
Sharp event
Time–frequency
title High Frequency Oscillations and spikes: Separating real HFOs from false oscillations
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