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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

240
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...
240
Seizures: Classification01:13

Seizures: Classification

520
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:
520
Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

240
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...
240
Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

507
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...
507
Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein01:20

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

397
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...
397
Antiepileptic Drugs: Calcium Channel Blockers01:17

Antiepileptic Drugs: Calcium Channel Blockers

522
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...
522

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Related Experiment Video

Updated: Aug 13, 2025

Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization
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[Elderly Onset Epilepsy and Post-Stroke Epilepsy].

Takeharu Kunieda1

  • 1Department of Neurosurgery, Ehime University Graduate School of Medicine.

No Shinkei Geka. Neurological Surgery
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Epilepsy is a significant concern in older adults, with diagnosis complicated by atypical symptoms and nonconvulsive status epilepticus. Treatment challenges include aging-related pharmacokinetic changes and comorbidities, necessitating specific guidelines for geriatric epilepsy management.

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Area of Science:

  • Geriatric Medicine
  • Neurology
  • Clinical Pharmacology

Context:

  • The global population is aging, with Japan experiencing a rapid increase in individuals over 75.
  • Epilepsy incidence in this demographic is comparable to or exceeds that of younger populations.
  • Geriatric epilepsy presents unique diagnostic and therapeutic challenges.

Purpose:

  • To highlight the diagnostic complexities of epilepsy in the elderly, including extratemporal seizures and nonconvulsive status epilepticus (NCSE).
  • To discuss the difficulties in managing anti-seizure medication (ASM) in older adults due to altered pharmacokinetics and comorbidities.
  • To address the need for established treatment protocols for post-stroke epilepsy (PSE).

Summary:

  • Diagnosis requires vigilance for atypical presentations and consideration of NCSE, which may necessitate prolonged EEG monitoring.
  • Treatment is complicated by the narrow therapeutic window of ASMs, drug interactions, and comorbidities common in the elderly.
  • Stroke is a primary cause of epilepsy in older individuals, yet optimal prophylactic or acute treatment strategies, particularly for non-enzyme-inducing ASMs, remain undefined.

Impact:

  • Improved diagnostic accuracy for epilepsy in older adults.
  • Development of safer and more effective ASM treatment strategies tailored for the geriatric population.
  • Establishment of evidence-based guidelines for managing post-stroke epilepsy, reducing long-term morbidity.