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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 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...
Mania and Antimanic Drugs: Overview01:24

Mania and Antimanic Drugs: Overview

Mania, a psychological condition characterized by elevated mood, increased energy, and reduced sleep need, is part of the bipolar disorder cycle. The exact cause of mania isn't entirely known, but it is thought to be a combination of genetic, environmental, and neurological factors. Bipolar disorder involves alternating manic and depressive episodes. Mood stabilizers like lithium, antipsychotics, and anticonvulsants help manage these episodes. Lithium carbonate is particularly effective as a...

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Related Experiment Video

Updated: Jun 12, 2026

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

[Mental disorders and epilepsies].

G B Foletti1, M Maeder-Ingvar

  • 1Service de neurologie, CHUV, 101 Lausanne. giovanni.foletti@chuv.ch

Revue Medicale Suisse
|May 27, 2010
PubMed
Summary
This summary is machine-generated.

Mental health disorders, particularly affective issues like interictal dysphoric disorder, are more common in difficult-to-treat epilepsy. These conditions, including postictal depression and psychosis, require specific diagnostic and therapeutic approaches.

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Electroconvulsive Seizures in Rats and Fractionation of Their Hippocampi to Examine Seizure-induced Changes in Postsynaptic Density Proteins
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Manipulation of Epileptiform Electrocorticograms (ECoGs) and Sleep in Rats and Mice by Acupuncture
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Last Updated: Jun 12, 2026

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

Electroconvulsive Seizures in Rats and Fractionation of Their Hippocampi to Examine Seizure-induced Changes in Postsynaptic Density Proteins
09:07

Electroconvulsive Seizures in Rats and Fractionation of Their Hippocampi to Examine Seizure-induced Changes in Postsynaptic Density Proteins

Published on: August 15, 2017

Manipulation of Epileptiform Electrocorticograms (ECoGs) and Sleep in Rats and Mice by Acupuncture
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Published on: December 22, 2016

Area of Science:

  • Neurology
  • Psychiatry
  • Clinical Neuroscience

Context:

  • Mental disorders are significantly more prevalent in individuals with treatment-resistant epilepsy compared to those with controlled epilepsy or the general population.
  • Affective disorders are particularly common, often presenting with unique clinical features that challenge current diagnostic classifications.

Purpose:

  • To highlight the increased frequency and specific characteristics of mental disorders in patients with difficult-to-treat epilepsy.
  • To discuss the complexities in classifying and managing these psychiatric comorbidities, including interictal dysphoric disorder, postictal depression, and psychosis.

Summary:

  • Patients with refractory epilepsy experience higher rates of mental health issues, especially affective disorders, which are often difficult to classify.
  • Specific conditions like interictal dysphoric disorder, postictal depression, and postictal psychosis present unique diagnostic and therapeutic challenges.
  • The abstract also touches upon critical aspects of severe epilepsy, such as suicide risk, pseudo seizures, and appropriate therapeutic strategies.

Impact:

  • This work underscores the need for integrated care models addressing both epilepsy and comorbid mental health conditions.
  • Improved understanding can lead to more accurate diagnosis and tailored treatment plans for psychiatric issues in epilepsy patients.
  • Highlights the importance of considering mental health in the management of severe and refractory epilepsy, potentially improving patient outcomes and quality of life.