The role of quantitative markers in surgical prognostication after stereoelectroencephalography

J Makhalova, T Madec… - Annals of Clinical …, 2023 - Wiley Online Library
Objective Stereoelectroencephalography (SEEG) is the reference method in the presurgical
exploration of drug‐resistant focal epilepsy. However, prognosticating surgery on an …

Fast ripples reflect increased excitability that primes epileptiform spikes

SA Weiss, I Fried, J Engel Jr, MR Sperling… - Brain …, 2023 - academic.oup.com
The neuronal circuit disturbances that drive inter-ictal and ictal epileptiform discharges
remain elusive. Using a combination of extra-operative macro-electrode and micro-electrode …

Evolution of Stereo-Electroencephalography at Massachusetts General Hospital

P Nanda, RM Richardson - Neurosurgery Clinics, 2024 - neurosurgery.theclinics.com
An estimated 70 million people are affected by epilepsy worldwide, 1 and of these patients,
more than 30% are thought to have intractable and drug-resistant disease according to the …

Pathological neurons generate ripples at the UP‐DOWN transition disrupting information transfer

SA Weiss, I Fried, J Engel Jr, A Bragin, S Wang… - …, 2024 - Wiley Online Library
Objective To confirm and investigate why pathological high‐frequency oscillations (pHFOs),
including ripples (80–200 Hz) and fast ripples (200–600 Hz), are generated during the UP …

High frequency oscillation network dynamics predict outcome in non-palliative epilepsy surgery

J Lin, GC Smith, SV Gliske, M Zochowski… - Brain …, 2024 - academic.oup.com
High frequency oscillations are a promising biomarker of outcome in intractable epilepsy.
Prior high frequency oscillation work focused on counting high frequency oscillations on …

Stimulation better targets fast‐ripple generating networks in super responders to the responsive neurostimulator system

SA Weiss, D Eliashiv, J Stern, D Rubinstein, I Fried… - …, 2023 - Wiley Online Library
How responsive neurostimulation (RNS) decreases seizure frequency is unclear.
Stimulation may alter epileptic networks during inter‐ictal epochs. Definitions of the epileptic …

Simulated resections and RNS placement can optimize post-operative seizure outcomes when guided by fast ripple networks.

SA Weiss, MR Sperling, J Engel, A Liu, I Fried, C Wu… - medRxiv, 2024 - medrxiv.org
In medication-resistant epilepsy, the goal of epilepsy surgery is to make a patient seizure
free with a resection/ablation that is as small as possible to minimize morbidity. The standard …

[PDF][PDF] BRAIN COMMUNICATIONS

SA Weiss, I Fried, J Engel Jr, MR Sperling, RKS Wong… - 2023 - researchgate.net
Spontaneous inter-ictal epileptiform spikes (ie spikes) were first recognized nearly a century
ago in extracellular recordings from animals exposed to chemoconvulsants and in the EEG …

[PDF][PDF] BRAIN COMMUNICATIONS

J Lin, GC Smith, SV Gliske, M Zochowski, K Shedden… - 2024 - pdfs.semanticscholar.org
Every year, tens of millions of people around the world suffer from epilepsy. 1, 2 This
common neurological disorder affects people of all ages and is characterized by chronic …