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Related Concept Videos

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:
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.
Seizures ll: Types01:19

Seizures ll: Types

Seizures are sudden bursts of abnormal electrical discharge in the brain that interfere with normal function. They are commonly divided into three groups: focal seizures, generalized seizures, and other types that do not fit neatly into either category.Focal SeizuresFocal seizures begin in a single brain region. When awareness is preserved, they are called focal aware seizures and may cause sensations such as tingling, unusual smells, or flashing lights. When awareness is impaired, they are...
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,...
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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Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
09:57

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

Published on: September 20, 2024

Progressive myoclonic epilepsy.

P Satishchandra1, S Sinha

  • 1Department of Neurology, National Institute of Mental Health & Neurosciences, Bangalore, India. drpsatishchandra@yahoo.com

Neurology India
|August 27, 2010
PubMed
Summary
This summary is machine-generated.

Progressive myoclonic epilepsy (PME) is a complex neurological disorder. This review analyzes PME patient data from India, focusing on clinical, genetic, and pathological aspects to improve diagnosis and understanding.

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Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy
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Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy

Published on: December 6, 2016

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Last Updated: Jun 9, 2026

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Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy
10:22

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy

Published on: December 6, 2016

Area of Science:

  • Neurology
  • Genetics
  • Rare Diseases

Background:

  • Progressive myoclonic epilepsy (PME) is a group of rare neurological disorders characterized by myoclonus, cognitive decline, and ataxia.
  • PME encompasses various conditions including Lafora body disease, neuronal ceroid lipofuscinoses, and MERRF syndrome.
  • Understanding the molecular and biological basis of PME is crucial for diagnosis and management.

Purpose of the Study:

  • To review the clinical and research experience of PME patients evaluated at a single center in South India over two decades.
  • To analyze the phenotypic, electrophysiologic, pathologic, and genetic characteristics of PME patients.
  • To provide insights into the natural history and diagnostic approaches for PME.

Main Methods:

  • Retrospective review of a PME patient cohort.
  • Analysis of clinical, electrophysiologic, pathological, and genetic data.
  • Synthesis of findings from a single-center study in South India.

Main Results:

  • The study consolidates data from a significant cohort of PME patients, offering a comprehensive overview of their characteristics.
  • It highlights the importance of a multi-faceted approach including clinical, genetic, and pathological evaluations for PME diagnosis.
  • The findings contribute to the understanding of PME subtypes prevalent in the Indian subcontinent.

Conclusions:

  • This review provides valuable insights into the clinical spectrum and genetic underpinnings of PME in the Indian population.
  • It emphasizes the need for continued research and collaboration to improve diagnostic accuracy and therapeutic strategies for PME.
  • The findings support the role of specialized centers in advancing PME research and patient care.