Fast ripples reflect increased excitability that primes epileptiform spikes.
Publication/Presentation Date
1-1-2023
Abstract
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 inter-ictal recordings in six pre-surgical patients during non-rapid eye movement sleep, we found that, exclusively in the seizure onset zone, fast ripples (200-600 Hz), but not ripples (80-200 Hz), frequently occur < 300 ms before an inter-ictal intra-cranial EEG spike with a probability exceeding chance (bootstrapping,
Volume
5
Issue
5
First Page
242
Last Page
242
ISSN
2632-1297
Published In/Presented At
Weiss, S. A., Fried, I., Engel, J., Jr, Sperling, M. R., Wong, R. K. S., Nir, Y., & Staba, R. J. (2023). Fast ripples reflect increased excitability that primes epileptiform spikes. Brain communications, 5(5), fcad242. https://doi.org/10.1093/braincomms/fcad242
Disciplines
Medicine and Health Sciences
PubMedID
37869578
Department(s)
Department of Medicine
Document Type
Article