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Related Concept Videos

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.
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...
Seizures: Classification01:13

Seizures: Classification

Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
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...
Encephalitis l: Introduction01:19

Encephalitis l: Introduction

Encephalitis is inflammation of the brain parenchyma, most often due to infections or autoimmune processes. It presents with neuropsychiatric features such as fever, altered mental status, behavioral changes, cognitive dysfunction, seizures, focal deficits, and sometimes autonomic instability. In some cases, the meninges are also involved, resulting in meningoencephalitis.Infectious CausesInfectious encephalitis is most commonly viral but can also result from bacterial, fungal, or parasitic...
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...

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Related Experiment Video

Updated: Jun 4, 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

Autoimmune epilepsies.

Sarosh R Irani1, Christian G Bien, Bethan Lang

  • 1Department of Clinical Neurosciences (Clinical Neurology), Oxford University, Oxford, UK.

Current Opinion in Neurology
|March 2, 2011
PubMed
Summary
This summary is machine-generated.

Serum antibodies targeting brain components are increasingly found in epilepsy patients. These autoantibodies, particularly against voltage-gated potassium channel complexes, suggest a role in seizure disorders and response to immunotherapy.

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Related Experiment Videos

Last Updated: Jun 4, 2026

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

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

Published on: May 16, 2019

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Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy

Published on: September 20, 2024

Induction and Diverse Assessment Indicators of Experimental Autoimmune Encephalomyelitis
06:19

Induction and Diverse Assessment Indicators of Experimental Autoimmune Encephalomyelitis

Published on: September 9, 2022

Area of Science:

  • Neuroimmunology
  • Epileptology
  • Neurology

Background:

  • Epilepsy and seizure-related disorders represent a significant neurological challenge.
  • The role of autoimmune processes in certain epilepsy types is an emerging area of research.

Purpose of the Study:

  • To review recent literature on serum antibodies in epilepsy and seizure disorders.
  • To assess the clinical significance and detection of these antibodies.

Main Methods:

  • Literature review of studies detecting serum antibodies in epilepsy patients.
  • Analysis of identified autoantigens and their association with specific seizure types.

Main Results:

  • Autoantibodies against NMDA, GABAB, AMPA receptors, and LGI1, CASPR2, Contactin-2 (voltage-gated potassium channel complex components) are detected in seizure patients.
  • Antibodies to glutamic acid decarboxylase (GAD) are found in temporal lobe epilepsy.
  • LGI1 antibodies are present in approximately 90% of patients with faciobrachial dystonic seizures.

Conclusions:

  • An expanding array of antibodies is being identified in epilepsy and seizure disorders.
  • Targeting extracellular domains suggests direct pathogenicity, often with positive responses to immunotherapy.
  • Further validation through animal models is needed to confirm the pathological relevance of these antibodies.