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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.
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:
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,...
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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Updated: May 31, 2026

Sampling Cerebrospinal Fluid and Blood from Lateral Tail Vein in Rats During EEG Recordings
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[Feen report on epilepsy in Spain].

R García-Ramos1, A García Pastor, J Masjuan

  • 1Servicio Neurología, Hospital Universitario Clínico San Carlos, Madrid, España. garciaramosg@yahoo.es

Neurologia (Barcelona, Spain)
|July 16, 2011
PubMed
Summary

Epilepsy affects 400,000 people in Spain, with a significant impact on public health and finances. This report highlights the need for better data collection on epilepsy prevalence and costs.

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Area of Science:

  • Neurology
  • Epidemiology

Context:

  • Epilepsy is a prevalent neurological disorder in Spain.
  • There is a notable deficit in comprehensive epidemiological data and understanding of patient impact.
  • The Spanish Foundation for Neurological Diseases (FEEN) initiated a report to address this information gap.

Purpose:

  • To compile and analyze epidemiological data concerning epilepsy in Spain.
  • To assess the disease's morbidity, mortality, and associated economic costs.
  • To provide a foundational report on the societal and health burden of epilepsy.

Summary:

  • A literature review and analysis of Spanish National Statistics Institute (INE) data identified approximately 400,000 individuals with epilepsy in Spain.
  • Lifetime seizure risk is 5-10%, with recurrent seizures in up to 20%. Hospital admissions are 35 per 100,000 population.
  • Mortality risk is 2-3 times higher in epilepsy patients, with annual costs for drug-resistant cases averaging €6,935 and total costs estimated at 5% of the 2000 health budget.

Impact:

  • The findings underscore the substantial social and health burden of epilepsy in Spain.
  • The report emphasizes the critical importance of maintaining disease registries.
  • Encouraging patient associations and scientific societies to support data collection initiatives is recommended.