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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: 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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Seizures: Classification01:13

Seizures: Classification

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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:
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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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Autoimmune Disorders01:29

Autoimmune Disorders

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Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune...
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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.
Benzodiazepines are a well-known class of drugs used for...
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Related Experiment Video

Updated: Mar 22, 2026

Electrophoretic Delivery of γ-aminobutyric Acid GABA into Epileptic Focus Prevents Seizures in Mice
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Autoimmune epilepsy.

Jeffrey Britton1

  • 1Department of Neurology, Mayo Clinic, Rochester, MN, USA.

Handbook of Clinical Neurology
|April 27, 2016
PubMed
Summary
This summary is machine-generated.

Autoimmune epilepsies involve immune system attacks causing recurrent seizures. Identifying neural autoantibodies and inflammation aids diagnosis, with immunotherapy often proving effective for these autoimmune seizure disorders.

Keywords:
autoimmune encephalitisautoimmune epilepsylimbic encephalitis

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Area of Science:

  • Neurology
  • Immunology
  • Epileptology

Background:

  • Autoimmune limbic encephalitis and paraneoplastic disorders frequently manifest with seizures.
  • Evidence suggests autoimmune mechanisms can cause seizures even without encephalitis.
  • Autoimmune epilepsies are distinct immunological disorders characterized by persistent, recurrent seizures.

Purpose of the Study:

  • To discuss various autoimmune epilepsy syndromes.
  • To detail the clinical, diagnostic, and therapeutic aspects of autoimmune epilepsies.
  • To provide guidelines for recognizing, evaluating, and treating autoimmune epilepsy.

Main Methods:

  • Review of autoimmune epilepsy syndromes, including those secondary to other autoimmune disorders.
  • Focus on pathogenic antibodies like voltage-gated potassium channel-complex and NMDA receptor antibodies.
  • Description of clinical, imaging, electroencephalogram, CSF, and serologic features, pathophysiology, and treatment.

Main Results:

  • Autoimmune etiology for epilepsy is suspected with neural autoantibodies or inflammation (CSF/MRI) after excluding other causes.
  • Immunotherapy can be highly effective in treating specific autoimmune epilepsy syndromes.
  • Specific syndromes discussed include those with voltage-gated potassium channel-complex, N-methyl-d-aspartate receptor, and GABA A/B receptor antibodies.

Conclusions:

  • Autoimmune epilepsies are treatable conditions when correctly diagnosed.
  • Early recognition and targeted immunotherapy are crucial for favorable outcomes.
  • Guidelines are provided for comprehensive management of autoimmune epilepsy syndromes.