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Related Concept Videos

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: 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...
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 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...
Electroconvulsive Therapy01:30

Electroconvulsive Therapy

Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early years,...

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Generation and On-Demand Initiation of Acute Ictal Activity in Rodent and Human Tissue
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Revising and refining the epilepsy classification system: priorities from a developing world perspective.

Gretchen L Birbeck1

  • 1Michigan State University, International Neurologic & Psychiatric Epidemiology Program, East Lansing, Michigan 48824, USA. birbeck@msu.edu

Epilepsia
|July 7, 2012
PubMed
Summary
This summary is machine-generated.

A new epilepsy classification is needed to include people in developing regions, where most epilepsy cases occur. This approach should be multidimensional and relevant for diverse global healthcare settings.

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Stereo-Electro-Encephalo-Graphy (SEEG) With Robotic Assistance in the Presurgical Evaluation of Medical Refractory Epilepsy: A Technical Note

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Area of Science:

  • Neurology
  • Global Health
  • Epilepsy Research

Background:

  • Epilepsy care resources are concentrated in high-income countries, yet most individuals with epilepsy live in developing regions.
  • Recent advances in neurosciences necessitate a revised epilepsy classification system.
  • New knowledge about epilepsy in tropical, resource-limited settings highlights existing classification gaps.

Purpose of the Study:

  • To propose a nonhierarchical, multidimensional epilepsy classification system.
  • To ensure the classification is relevant for both developed and developing regions, including primary and tertiary care.
  • To facilitate global insights into epilepsy and epileptogenesis.

Main Methods:

  • Review of current epilepsy classification systems and their limitations.
  • Analysis of advances in clinical and basic neurosciences.
  • Consideration of data from tropical, resource-limited settings.

Main Results:

  • Current epilepsy classifications are not inclusive of the majority of global epilepsy cases.
  • A multidimensional approach is required to capture the complexity of epilepsy across diverse settings.
  • A revised classification can enhance understanding and care in resource-limited areas.

Conclusions:

  • A globally relevant, nonhierarchical, multidimensional epilepsy classification is essential.
  • Such a system would improve epilepsy care and research in developing regions.
  • Excluding developing world contexts would ignore 80% of global epilepsies.