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Epilepsy and Seizures: Overview

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: Types

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 l: Introduction

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: Classification

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: Types

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...

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

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...

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Related Experiment Video

Updated: May 26, 2026

Performing Behavioral Tasks in Subjects with Intracranial Electrodes

Performing Behavioral Tasks in Subjects with Intracranial Electrodes

Published on: October 2, 2014

Functioning and disability in persons with epilepsy.

Milda Cerniauskaite¹, Daniela Ajovalasit, Rui Quintas

¹Public Health and Disability Unit, Scientific Directorate, Division of Clinical Neurophysiology, Neurological Institute Carlo Besta, IRCCS Foundation, Milan, Italy.

American Journal of Physical Medicine & Rehabilitation

|December 24, 2011

Summary

This summary is machine-generated.

The International Classification of Functioning, Disability, and Health (ICF) framework offers a comprehensive view of epilepsy, detailing body, activity, and environmental factors impacting daily life and health care needs.

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A Multimodal Imaging- and Stimulation-based Method of Evaluating Connectivity-related Brain Excitability in Patients with Epilepsy

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Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients

Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients

Published on: December 18, 2016

Area of Science:

Neurology
Rehabilitation Medicine
Public Health

Background:

Epilepsy significantly impacts individuals' functioning and quality of life.
A comprehensive understanding of disability in epilepsy requires considering multiple dimensions beyond medical symptoms.

Purpose of the Study:

To describe the functioning of individuals with epilepsy using the International Classification of Functioning, Disability, and Health (ICF) framework.
To identify specific challenges faced by people with epilepsy at the body, activity, and environmental levels.
To determine the most relevant environmental factors influencing disability in epilepsy.

Main Methods:

Utilized the ICF checklist to collect and analyze data from individuals with epilepsy.
Interviewed 49 patients to gather information on their functioning and environmental interactions.

Main Results:

Identified 63 ICF categories, with a significant focus on activities and participation (30 categories), body functions/structures (18 categories), and environmental factors (14 categories).
Commonly reported body function challenges included pain sensation, visual impairments, and emotional difficulties.
Participants reported various difficulties in activities and participation, especially when considering capacity versus performance.
Environmental factors, particularly healthcare services, were frequently identified as facilitators.

Conclusions:

The ICF framework provides a more holistic description of functioning and disability in epilepsy.
Utilizing the ICF conceptualization enhances understanding by integrating body, personal, and environmental aspects of functioning.
A comprehensive approach to epilepsy care should consider the multifaceted nature of functioning and environmental influences.