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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...
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.
Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
Ezogabine has gained approval as an adjunctive treatment...
Seizures l: Introduction01:20

Seizures l: Introduction

Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...
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: 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: May 11, 2026

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice
13:34

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice

Published on: June 4, 2020

[Epilepsy and cognitive dysfunction].

Azusa Sugimoto1, Akinori Futamura, Mitsuru Kawamura

  • 1Department of Neurology, Showa University School of Medicine, Japan.

Brain and Nerve = Shinkei Kenkyu No Shinpo
|May 14, 2013
PubMed
Summary
This summary is machine-generated.

Epilepsy can cause higher brain dysfunction, including amnesia and personality changes. Anti-epileptic drugs may also lead to cognitive side effects in patients with epilepsy and higher brain dysfunction.

More Related Videos

Manipulation of Epileptiform Electrocorticograms (ECoGs) and Sleep in Rats and Mice by Acupuncture
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Manipulation of Epileptiform Electrocorticograms (ECoGs) and Sleep in Rats and Mice by Acupuncture

Published on: December 22, 2016

Related Experiment Videos

Last Updated: May 11, 2026

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice
13:34

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice

Published on: June 4, 2020

Manipulation of Epileptiform Electrocorticograms (ECoGs) and Sleep in Rats and Mice by Acupuncture
09:06

Manipulation of Epileptiform Electrocorticograms (ECoGs) and Sleep in Rats and Mice by Acupuncture

Published on: December 22, 2016

Area of Science:

  • Neurology
  • Neuroscience

Context:

  • Epilepsy frequently leads to higher brain dysfunction (E-HBD).
  • E-HBD encompasses transient epileptic amnesia (TEA) and persistent forms, potentially with non-convulsive status epilepticus (NCSE).
  • Symptoms include amnesia, aphasia, and personality/behavior changes, with syndromes like Geschwind and Klüver-Bucy reported.

Purpose:

  • To review higher brain dysfunctions in epileptic patients.
  • To discuss the cognitive side effects of anti-epileptic drugs (AEDs).
  • To present a case of limbic encephalitis.

Summary:

  • Epilepsy is associated with various higher brain dysfunctions, both transient and persistent.
  • Anti-epileptic drugs, while crucial for seizure control, can induce cognitive impairments like sedation and memory deficits.
  • The review covers E-HBD symptoms, AED-related cognitive side effects, and includes a case study of limbic encephalitis.

Impact:

  • Enhances understanding of the complex relationship between epilepsy and cognitive function.
  • Informs clinical practice regarding potential side effects of AEDs.
  • Contributes to the literature on neurological disorders and their management.