Spatiotemporal patterns of high-frequency activity (80–170 Hz) in long-term intracranial EEG

Z Chen, DB Grayden, AN Burkitt, U Seneviratne… - Neurology, 2021 - AAN Enterprises
… visually annotated high-frequency oscillations (HFOs). The … as high-frequency (80–170 Hz)
events with amplitudes clearly … mean rates of HFA and spike exhibited high spatial variability

Enhancing oscillations in intracranial electrophysiological recordings with data-driven spatial filters

N Schaworonkow, B Voytek - PLOS Computational Biology, 2021 - journals.plos.org
… of limited spatial spread of high-frequency signal content not … showing oscillatory bursts in
the alpha-band, amplitudes are … For most participants, data was available with a sample rate

[HTML][HTML] Independent dynamics of low, intermediate, and high frequency spectral intracranial EEG activities during human memory formation

VS Marks, KV Saboo, Ç Topçu, M Lech, TP Thayib… - Neuroimage, 2021 - Elsevier
… For analysis, all recordings using higher sampling rates were filtered … Our results show no
evidence for amplitude-amplitude … of instantaneous amplitudes of field potential oscillations: a …

Dual mechanisms of ictal high frequency oscillations in human rhythmic onset seizures

EH Smith, EM Merricks, JY Liou, C Casadei… - Scientific Reports, 2020 - nature.com
… core and penumbra (spatial seizure domains defined by … in patients undergoing intracranial
EEG monitoring as part of … amplitude of MUA firing rate and broadband high frequency (…

Accuracy of high-frequency oscillations recorded intraoperatively for classification of epileptogenic regions

SA Weiss, RJ Staba, A Sharan, C Wu, D Rubinstein… - Scientific reports, 2021 - nature.com
… can replace prolonged interictal intracranial EEG (iEEG) … in high amplitude sharply contoured
rhythmic oscillations that … morphology, rate, and in some patients, the spatial distribution …

Electrode surface area impacts measurement of high frequency oscillations in human intracranial EEG

KR Sindhu, MA Pinto-Orellana… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
HIGH-FREQUENCY oscillations (HFOs) are transient bursts … intracranial EEG (iEEG) were
recorded at very small spatial … We found that the rate and amplitude of HFOs significantly …

Developmental atlas of phase-amplitude coupling between physiologic high-frequency oscillations and slow waves

K Sakakura, N Kuroda, M Sonoda, T Mitsuhashi… - Nature …, 2023 - nature.com
intracranial EEG (iEEG) recording via subdural or depth electrodes to localize such areas.
The occurrence rate of spontaneous interictal high-frequency oscillation (… spatial variability of …

[HTML][HTML] Low impedance electrodes improve detection of high frequency oscillations in the intracranial EEG

V Dimakopoulos, MC Neidert, J Sarnthein - Clinical Neurophysiology, 2023 - Elsevier
… divided the median signal amplitude by the median noise amplitude after averaging 100 …
amplitude by the median noise amplitude for single sweeps. The percentage indicates the rate

Temporo-Frontal Coherences and High-Frequency iEEG Responses during Spatial Navigation in Patients with Drug-Resistant Epilepsy

A Thomschewski, E Trinka, J Jacobs - Brain Sciences, 2021 - mdpi.com
… within the EEG signal, so-called high frequency oscillations (… the event rates and the
high-frequency derived connectivity … of globally recorded unusually high amplitudes, which seems …

[HTML][HTML] DC shifts, high frequency oscillations, ripples and fast ripples in relation to the seizure onset zone

S Lee, NP Issa, S Rose, JX Tao, PC Warnke, VL Towle… - Seizure, 2020 - Elsevier
… highest rates of ictal HFOs and highest amplitude of … EEG band shows seizure onset with
low amplitude fast activity at RHD 5, 6 (hippocampal body, SOZ). Conventional intracranial EEG