Localization of the epileptogenic zone using high frequency oscillations

A Thomschewski, AS Hincapié, B Frauscher - Frontiers in neurology, 2019 - frontiersin.org
For patients with drug-resistant focal epilepsy, surgery is the therapy of choice in order to
achieve seizure freedom. Epilepsy surgery foremost requires the identification of the …

Trends in the use of automated algorithms for the detection of high‐frequency oscillations associated with human epilepsy

K Remakanthakurup Sindhu, R Staba, BA Lopour - Epilepsia, 2020 - Wiley Online Library
High‐frequency oscillations (HFOs) in intracranial electroencephalography (EEG) are a
promising biomarker of the epileptogenic zone and tool for surgical planning. Many studies …

High‐frequency oscillations in the normal human brain

B Frauscher, N von Ellenrieder, R Zelmann… - Annals of …, 2018 - Wiley Online Library
Objective High‐frequency oscillations (HFOs) are a promising biomarker for the
epileptogenic zone. It has not been possible, however, to differentiate physiological from …

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
We investigated the developmental changes in high-frequency oscillation (HFO) and
Modulation Index (MI)–the coupling measure between HFO and slow-wave phase. We …

Spatial distribution of interictal spikes fluctuates over time and localizes seizure onset

EC Conrad, SB Tomlinson, JN Wong, KF Oechsel… - Brain, 2020 - academic.oup.com
The location of interictal spikes is used to aid surgical planning in patients with medically
refractory epilepsy; however, their spatial and temporal dynamics are poorly understood. In …

Characterizing physiological high-frequency oscillations using deep learning

Y Zhang, H Chung, JP Ngo, T Monsoor… - Journal of neural …, 2022 - iopscience.iop.org
Objective. Intracranially-recorded interictal high-frequency oscillations (HFOs) have been
proposed as a promising spatial biomarker of the epileptogenic zone. However, HFOs can …

Objective interictal electrophysiology biomarkers optimize prediction of epilepsy surgery outcome

N Kuroda, M Sonoda, M Miyakoshi, H Nariai… - Brain …, 2021 - academic.oup.com
Researchers have looked for rapidly-and objectively-measurable electrophysiology
biomarkers that accurately localize the epileptogenic zone. Promising candidates include …

High-frequency oscillations in epilepsy: what have we learned and what needs to be addressed

Z Chen, MI Maturana, AN Burkitt, MJ Cook… - Neurology, 2021 - AAN Enterprises
For the past 2 decades, high-frequency oscillations (HFOs) have been enthusiastically
studied by the epilepsy community. Emerging evidence shows that HFOs harbor great …

Multi-feature localization of epileptic foci from interictal, intracranial EEG

J Cimbalnik, P Klimes, V Sladky, P Nejedly… - Clinical …, 2019 - Elsevier
Objective When considering all patients with focal drug-resistant epilepsy, as high as 40–
50% of patients suffer seizure recurrence after surgery. To achieve seizure freedom without …

Graph theoretical measures of fast ripples support the epileptic network hypothesis

SA Weiss, T Pastore, I Orosz, D Rubinstein… - Brain …, 2022 - academic.oup.com
The epileptic network hypothesis and epileptogenic zone hypothesis are two theories of
ictogenesis. The network hypothesis posits that coordinated activity among interconnected …