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Related Concept Videos

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein01:20

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

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Antiepileptic drugs, such as levetiracetam (Keppra) and brivaracetam (Briviact), have emerged as crucial tools in managing epilepsy. These medications exert their therapeutic effects by targeting the synaptic vesicle protein SV2A, a transmembrane glycoprotein primarily found in the brain.
SV2A is a transmembrane glycoprotein located predominantly in the brain, modulating the release of neurotransmitters for neuronal communication. Both levetiracetam and brivaracetam exhibit a high affinity for...
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Epilepsy and Seizures: Overview01:24

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Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
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Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

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γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
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Antiepileptic Drugs: Glutamate Antagonists01:14

Antiepileptic Drugs: Glutamate Antagonists

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Glutamate is a fundamental neurotransmitter in the central nervous system, playing a vital role in neuronal communication and various cognitive processes. Glutamate stands as the principal excitatory neurotransmitter in the brain. Its presence is crucial for the communication between neurons, underpinning essential processes such as synaptic transmission, neuronal excitability, and plasticity. These functions are vital for higher-order cognitive processes, including learning and memory. The...
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Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

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Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
Ezogabine has gained approval as an adjunctive treatment...
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Antiepileptic Drugs: Sodium Channel Blockers01:08

Antiepileptic Drugs: Sodium Channel Blockers

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Antiepileptic drugs are specialized medications that prevent seizures in individuals diagnosed with epilepsy. These drugs primarily function by blocking the movement of sodium ions through channels in the neuronal membrane, inhibiting the repetitive firing of action potentials often associated with seizures.
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Among the most commonly prescribed antiepileptic drugs are...
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Updated: Sep 17, 2025

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Neuromodulation for Epilepsy.

Nathan J Pertsch1, Kazuki Sakakura, Sepehr Sani1

  • 1Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, USA.

The Neurodiagnostic Journal
|July 3, 2025
PubMed
Summary
This summary is machine-generated.

Epilepsy surgery uses neurophysiology to map seizures. For difficult cases, neuromodulation offers palliative seizure reduction through devices like vagus nerve stimulation, deep brain stimulation, and responsive neurostimulation.

Keywords:
Deep brain stimulationepilepsyneuromodulationresponsive neurostimulationvagus nerve stimulation

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Area of Science:

  • Neurology
  • Neurosurgery
  • Biomedical Engineering

Background:

  • Epilepsy surgery aims to reduce or eliminate seizures using various procedures.
  • Intraoperative neurophysiology aids in mapping epileptic foci and critical brain areas.
  • Resection is not feasible for drug-resistant epilepsy with diffuse, multifocal, or eloquent onset seizures.

Purpose of the Study:

  • To explore neuromodulation as a palliative treatment for drug-resistant epilepsy.
  • To review FDA-approved neuromodulation devices for epilepsy management.
  • To discuss the efficacy and benefits of neuromodulation therapies.

Main Methods:

  • Review of neuromodulation techniques for epilepsy.
  • Description of FDA-approved devices: vagus nerve stimulation, deep brain stimulation (anterior nucleus of the thalamus), and responsive neurostimulation.
  • Analysis of seizure reduction rates and temporal benefits.

Main Results:

  • Neuromodulation techniques are palliative, unlike curative resective surgery.
  • Three FDA-approved neuromodulation modalities exist for epilepsy treatment.
  • Patients experience significant seizure reduction (>50%), with benefits increasing over time.

Conclusions:

  • Neuromodulation provides a valuable alternative for drug-resistant epilepsy when resection is not possible.
  • Vagus nerve stimulation, deep brain stimulation, and responsive neurostimulation offer palliative seizure control.
  • These therapies demonstrate both acute and chronic benefits, improving seizure burden over time.