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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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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: 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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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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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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Related Experiment Video

Updated: Apr 5, 2026

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

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Autoimmune Causes of Epilepsy.

Julie B Guerin1, Brian J Burkett1, Kelsey M Smith2

  • 1Department of Radiology, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA.

Neuroimaging Clinics of North America
|April 3, 2026
PubMed
Summary

Autoimmune encephalitis diagnosis and treatment are guided by antibody type and location. Early recognition and intervention, using imaging like MRI and PET scans, are crucial for better outcomes in autoimmune-associated epilepsy.

Keywords:
AutoantibodiesAutoimmune encephalitisFDG-PET imagingImmunotherapyLimbic encephalitisNeuronal surface antibodiesParaneoplastic antibodiesParaneoplastic syndromes

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A Model for Epilepsy of Infectious Etiology using Theiler's Murine Encephalomyelitis Virus
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Area of Science:

  • Neurology
  • Immunology
  • Pathology

Background:

  • Autoimmune encephalitis is a group of neurological disorders caused by the immune system attacking the brain.
  • Understanding the specific antibodies and their targets is key to diagnosis and treatment.

Purpose of the Study:

  • To review the clinical, imaging, and pathologic features of autoimmune encephalitis.
  • To emphasize the diagnostic and therapeutic relevance of antibody class and target location.

Main Methods:

  • Review of clinical, imaging (MR imaging, 18F-fludeoxyglucose PET), and pathologic features.
  • Analysis of diagnostic and therapeutic implications based on antibody characteristics.

Main Results:

  • Surface antibody syndromes (e.g., anti-NMDAR, anti-LGI1) often present with seizures and psychiatric symptoms, responding well to immunotherapy.
  • Intracellular antibody syndromes (e.g., anti-Hu, Ma2) are frequently paraneoplastic and linked to irreversible neuronal damage.
  • Imaging modalities aid in identifying disease patterns and guiding treatment.

Conclusions:

  • Timely recognition and intervention are essential for improving prognosis and seizure control in autoimmune-associated epilepsy.
  • Antibody class and target location are critical factors in managing autoimmune encephalitis.