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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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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

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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.
Benzodiazepines are a well-known class of drugs used for...
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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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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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Related Experiment Video

Updated: Sep 6, 2025

Electrophoretic Delivery of γ-aminobutyric Acid GABA into Epileptic Focus Prevents Seizures in Mice
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Towards network-guided neuromodulation for epilepsy.

Rory J Piper1,2, R Mark Richardson3, Gregory Worrell4

  • 1Department of Neurosurgery, Great Ormond Street Hospital, London, UK.

Brain : a Journal of Neurology
|June 30, 2022
PubMed
Summary
This summary is machine-generated.

Network-guided neuromodulation uses brain network insights to improve epilepsy treatments. This approach targets critical seizure propagation points for more effective deep brain stimulation and responsive neurostimulation therapies.

Keywords:
connectivitydeep brain stimulationepilepsynetworksresponsive neurostimulation

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Area of Science:

  • Neuroscience
  • Neurology
  • Biomedical Engineering

Background:

  • Epilepsy is understood as a disorder of dynamic brain networks.
  • Identifying critical nodes in these networks is key for developing therapies to stop seizures.
  • Intracranial neuromodulation techniques like deep brain stimulation and responsive neurostimulation are established epilepsy treatments.

Approach:

  • This review synthesitsizes current literature on network mechanisms underlying neurostimulation for epilepsy.
  • It focuses on modulating key 'propagation points' within epileptogenic networks, particularly thalamic nuclei.
  • The review integrates findings from various investigation modalities, including EEG and MRI, and intracranial recordings.

Key Points:

  • Network-guided neuromodulation represents a convergence of network science and neurostimulation for epilepsy.
  • Key thalamic targets include the anterior nucleus and centromedian nucleus, utilized in both deep brain stimulation and responsive neurostimulation.
  • Emerging targets and network associations are also briefly discussed, highlighting a broad range of potential interventions.

Conclusions:

  • Advancing network-guided neuromodulation aims to use pre-surgical network analysis to predict neurostimulation efficacy and identify patient candidacy.
  • The ultimate goal is to deliver precise, personalized neuromodulation to prevent and arrest seizure propagation by mapping individual epileptogenic networks.