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High Frequency Oscillations (HFOs)

High‐frequency oscillations: The state of clinical research

High‐frequency oscillations: The state of clinical research

... Berger frequency band ranging from ...interictal high-frequency oscillations (HFOs) > 80 ...four oscillations that clearly stand out from the background ...

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Epileptic High-frequency Oscillations in Scalp Electroencephalography

Epileptic High-frequency Oscillations in Scalp Electroencephalography

... Epileptic High-frequency Oscillations in Scalp Electroencephalography Shibata, Takashi ; Kobayashi, Katsuhiro Abstract: Electroencephalography (EEG) examines the functional state of the ...brain. ...

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CiteSeerX — High-frequency oscillations during human focal seizures

CiteSeerX — High-frequency oscillations during human focal seizures

... Discrete high-frequency oscillations (HFOs) in the range of 100–500 Hz have previously been recorded in human epileptic brains using depth ...similar oscillations in a cohort of unselected ...

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Human intracranial high frequency oscillations (HFOs) detected by automatic time-frequency analysis

Human intracranial high frequency oscillations (HFOs) detected by automatic time-frequency analysis

... Abstract: OBJECTIVES: High frequency oscillations (HFOs) have been proposed as a new biomarker for epileptogenic tissue. The exact characteristics of clinically relevant HFOs and their detection are ...

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Human intracranial high frequency oscillations (HFOs) detected by automatic time-frequency analysis

Human intracranial high frequency oscillations (HFOs) detected by automatic time-frequency analysis

... Abstract: OBJECTIVES High frequency oscillations (HFOs) have been proposed as a new biomarker for epileptogenic tissue. The exact characteristics of clinically relevant HFOs and their detection are ...

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Automatic Detection of High Frequency Oscillations of Neural Signals in Epileptic Patients

Automatic Detection of High Frequency Oscillations of Neural Signals in Epileptic Patients

... low frequency EEG (up to 70 Hz) was considered of clinical relevance to epilepsy ...so-called high frequency oscillations (HFOs) may have a fundamental role in the generation and spread of ...

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Current and Emerging Potential of Magnetoencephalography in the Detection and Localization of High-Frequency Oscillations in Epilepsy

Current and Emerging Potential of Magnetoencephalography in the Detection and Localization of High-Frequency Oscillations in Epilepsy

... Up to one-third of patients with epilepsy are medically intractable and need resective surgery. To be successful, epilepsy surgery requires a comprehensive preoperative evaluation to define the epileptogenic zone (EZ), ...

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The morphology of high frequency oscillations (HFO) does not improve delineating the epileptogenic zone

The morphology of high frequency oscillations (HFO) does not improve delineating the epileptogenic zone

... that high frequency oscillations (HFOs) with irregular am- plitude and frequency more specifically reflect epileptogenicity than HFOs with stable amplitude and ...and frequency: type 1 ...

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Kurtosis-based detection of intracranial high-frequency oscillations for the identification of the seizure onset zone

Kurtosis-based detection of intracranial high-frequency oscillations for the identification of the seizure onset zone

... Pathological High-Frequency Oscillations (HFOs) have been recently proposed as potential biomarker of the seizure onset zone (SOZ) and have shown superior accuracy to interictal epileptiform ...

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Automatic detection of high frequency oscillations during epilepsy surgery predicts seizure outcome

Automatic detection of high frequency oscillations during epilepsy surgery predicts seizure outcome

... OBJECTIVE: High frequency oscillations (HFOs) and in particular fast ripples (FRs) in the post-resection electrocorticogram (ECoG) have recently been shown to be highly specific predictors of outcome ...

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Detection of high-frequency oscillations by hybrid depth electrodes in standard clinical intracranial EEG recordings

Detection of high-frequency oscillations by hybrid depth electrodes in standard clinical intracranial EEG recordings

... High-frequency oscillations (HFOs) have been proposed as a novel marker for epileptogenic tissue, spurring tremendous research interest into the characterization of these transient ...noise ...

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High Frequency Oscillations are Phase-Amplitude Coupled in Stress Induced Seizures Following Traumatic Brain Injury

High Frequency Oscillations are Phase-Amplitude Coupled in Stress Induced Seizures Following Traumatic Brain Injury

... Summary for Lay Audience Traumatic brain injury (TBI) causes lasting changes which make the brain susceptible to developing epilepsy. Stressful events that occur after TBI often trigger the occurrence of seizures and ...

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High-frequency oscillations in scalp EEG mirror seizure frequency in pediatric focal epilepsy

High-frequency oscillations in scalp EEG mirror seizure frequency in pediatric focal epilepsy

... High-frequency oscillations in scalp EEG mirror seizure frequency in pediatric focal epilepsy Boran, Ece ; Sarnthein, Johannes ; Krayenbühl, Niklaus ; Ramantani, Georgia ; Fedele, Tommaso ...

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UNSUPERVISED CLASSIFICATION OF HIGH-FREQUENCY OSCILLATIONS IN NEOCORTICAL EPILEPSY AND CONTROL PATIENTS

UNSUPERVISED CLASSIFICATION OF HIGH-FREQUENCY OSCILLATIONS IN NEOCORTICAL EPILEPSY AND CONTROL PATIENTS

... the oscillations that have been recognized by other researchers in the ...of high- frequency oscillations recorded using nonstandard, high bandwidth data acquisi- tion systems could be ...

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Analysis of high frequency oscillations in 
		surface discharge formation on oil impregnated pressboard

Analysis of high frequency oscillations in surface discharge formation on oil impregnated pressboard

... The High voltage high frequency (HVHF) oscillations caused by the power electronics and non-linear loads, such as converter transformers, arc furnaces, welding machines, photocopiers, ...

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High-frequency oscillations, extent of surgical resection, and surgical outcome in drug-resistant focal epilepsy

High-frequency oscillations, extent of surgical resection, and surgical outcome in drug-resistant focal epilepsy

... Staba RJ, Wilson CL, Bragin A, Jhung D, Fried I, Engel J Jr. (2004) High- frequency oscillations recorded in human medial temporal lobe during sleep. Ann Neurol 56:108 –115. Wieser HG, Blume WT, Fish ...

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Temporal Changes of Neocortical High-Frequency Oscillations in Epilepsy

Temporal Changes of Neocortical High-Frequency Oscillations in Epilepsy

... Hz) oscillations (HFOs) recorded from intracranial electrodes are a potential biomarker for epileptogenic ...mixed frequency events has also been ...

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Long-range phase synchronization of high-frequency oscillations in human cortex

Long-range phase synchronization of high-frequency oscillations in human cortex

... oscillations, but rather a hitherto poorly understood component in the organization of large-scale brain ...low- frequency synchronization was elevated inside ...theta oscillations while HFO in EZ ...

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High frequency oscillations in epileptic and non-epileptic human hippocampus during a cognitive task

High frequency oscillations in epileptic and non-epileptic human hippocampus during a cognitive task

... Hippocampal highfrequency electrographic activity (HFOs) represents one of the major discoveries not only in epilepsy research but also in cognitive science over the past few ...in frequency with ...

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Application of Machine Learning to Enhance the Diagnostic Utility of Interictal High Frequency Oscillations in Drug-resistant Epilepsy

Application of Machine Learning to Enhance the Diagnostic Utility of Interictal High Frequency Oscillations in Drug-resistant Epilepsy

... 15 SOZ (Julia Jacobs, Zelmann, et al. 2009). Despite these promising findings, researchers have so far been unsuccessful in applying HFOs as predictive diagnostic biomarker in the case of individual patients. While the ...

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