[HTML][HTML] Microglia sense and suppress epileptic neuronal hyperexcitability

Y Hu, Y Yao, H Qi, J Yang, C Zhang, A Zhang… - Pharmacological …, 2023 - Elsevier
Microglia are the resident immune cells of the central nervous system, undertaking
surveillance role and reacting to brain homeostasis and neurological diseases. Recent …

Human interictal epileptiform discharges are bidirectional traveling waves echoing ictal discharges

EH Smith, J Liou, EM Merricks, T Davis, K Thomson… - Elife, 2022 - elifesciences.org
Interictal epileptiform discharges (IEDs), also known as interictal spikes, are large
intermittent electrophysiological events observed between seizures in patients with epilepsy …

Multiple sources of fast traveling waves during human seizures: Resolving a controversy

ED Schlafly, FA Marshall, EM Merricks… - Journal of …, 2022 - Soc Neuroscience
During human seizures, organized waves of voltage activity rapidly sweep across the cortex.
Two contradictory theories describe the source of these fast traveling waves: either a slowly …

Seizure onset patterns predict outcome after stereo‐electroencephalography‐guided laser amygdalohippocampotomy

AJ Michalak, A Greenblatt, S Wu, S Tobochnik… - …, 2023 - Wiley Online Library
Objective Stereotactic laser amygdalohippocampotomy (SLAH) is an appealing option for
patients with temporal lobe epilepsy, who often require intracranial monitoring to confirm …

Involvement of GABAergic interneuron subtypes in 4-aminopyridine-induced seizure-like events in mouse entorhinal cortex in vitro

P Scalmani, R Paterra, M Mantegazza… - Journal of …, 2023 - Soc Neuroscience
Single-unit recordings performed in temporal lobe epilepsy patients and in models of
temporal lobe seizures have shown that interneurons are active at focal seizure onset. We …

Cell-type specific and multiscale dynamics of human focal seizures in limbic structures

AH Agopyan-Miu, EM Merricks, EH Smith… - Brain, 2023 - academic.oup.com
The relationship between clinically accessible epileptic biomarkers and neuronal activity
underlying the transition to seizure is complex, potentially leading to imprecise delineation of …

Distinct signatures of loss of consciousness in focal impaired awareness versus tonic-clonic seizures

E Juan, U Górska, C Kozma, C Papantonatos… - Brain, 2023 - academic.oup.com
Loss of consciousness is a hallmark of many epileptic seizures and carries risks of serious
injury and sudden death. While cortical sleep-like activities accompany loss of …

Cellular resolution contributions to ictal population signals

LA Lau, Z Zhao, SN Gomperts, KJ Staley, KP Lillis - Epilepsia, 2024 - Wiley Online Library
Objective The increased amplitude of ictal activity is a common feature of epileptic seizures,
but the determinants of this amplitude have not been identified. Clinically, ictal amplitudes …

Single unit analysis and wide-field imaging reveal alterations in excitatory and inhibitory neurons in glioma

BJA Gill, FA Khan, AR Goldberg, EM Merricks, X Wu… - Brain, 2022 - academic.oup.com
While several studies have attributed the development of tumour-associated seizures to an
excitatory-inhibitory imbalance, we have yet to resolve the spatiotemporal interplay between …

Face-selective multi-unit activity in the proximity of the FFA modulated by facial expression stimuli

V Axelrod, C Rozier, TS Malkinson, K Lehongre… - Neuropsychologia, 2022 - Elsevier
When we see someone's face, our brain usually effortlessly extracts a variety of information
such as facial identity, expression, or gaze direction. While it is widely accepted that …