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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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...
Antiepileptic Drugs: Glutamate Antagonists01:14

Antiepileptic Drugs: Glutamate Antagonists

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...
Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

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 their...
Antiepileptic Drugs: Sodium Channel Blockers01:08

Antiepileptic Drugs: Sodium Channel Blockers

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.
Sodium channel blockers modulate ion channels, particularly voltage-gated sodium channels. They block only sodium ion movement.
Among the most commonly prescribed antiepileptic drugs are...
Antiepileptic Drugs: Calcium Channel Blockers01:17

Antiepileptic Drugs: Calcium Channel Blockers

Calcium channel blockers, a class of antiepileptic drugs, regulate the flow of calcium ions within neurons.
Calcium channel blockers exert their antiepileptic effects by targeting T-type calcium channels, which are integral to transmitting nerve signals in the central nervous system. These channels allow the passage of calcium ions, which are vital for neuronal communication. By inhibiting T-type calcium channels, calcium channel blockers effectively reduce the release of neurotransmitters and...
Epilepsy ll: Types01:22

Epilepsy ll: Types

Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.

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Related Experiment Video

Updated: May 13, 2026

Electrophoretic Delivery of γ-aminobutyric Acid (GABA) into Epileptic Focus Prevents Seizures in Mice
07:01

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Published on: May 16, 2019

Antibodies in epilepsy.

Cynthia M Correll1

  • 1Columbia Comprehensive Epilepsy Center, New York Presbyterian Medical Center, 710 W. 168th Street, New York, NY 10032, USA. cmc2235@columbia.edu

Current Neurology and Neuroscience Reports
|March 26, 2013
PubMed
Summary
This summary is machine-generated.

Antibody-associated limbic encephalitis is a growing cause of seizures. Early recognition of specific antibodies, like NMDAR and GAD65, is crucial for managing epilepsy and improving patient outcomes.

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Area of Science:

  • Neurology
  • Immunology

Background:

  • Antibody-mediated limbic encephalitis is an emerging cause of seizures in epilepsy.
  • Autoimmune encephalitis is linked to both intracellular (e.g., GAD65) and cell surface antibodies (e.g., NMDAR).

Purpose of the Study:

  • To review the latest data on antibodies associated with limbic encephalitis and epilepsy.
  • To highlight the role of these antibodies in acute and chronic seizures, even without typical limbic encephalitis symptoms.

Main Methods:

  • Literature review of recent studies on antibody-mediated encephalitis and epilepsy.
  • Analysis of antibody associations with acute seizures and chronic epilepsy risk.

Main Results:

  • Specific antibodies (NMDAR, GAD65, VGKC complex, etc.) are increasingly linked to limbic encephalitis and seizures.
  • Evidence suggests these antibodies contribute to seizures in the broader epilepsy population.

Conclusions:

  • Early identification and targeted treatment of antibody-associated epilepsy are essential.
  • Treatment beyond standard antiepileptic drugs may improve outcomes in this subgroup.