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Related Concept Videos

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,...
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: 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 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...
Antiepileptic Drugs: Glutamate Antagonists01:14

Antiepileptic Drugs: Glutamate Antagonists

Glutamate is a fundamental neurotransmitter in the central nervous system, playing a vital role in neuronal communication and various cognitive processes. Glutamate stands as the principal excitatory neurotransmitter in the brain. Its presence is crucial for the communication between neurons, underpinning essential processes such as synaptic transmission, neuronal excitability, and plasticity. These functions are vital for higher-order cognitive processes, including learning and memory. The...

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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

Delirium and epilepsy.

Peter W Kaplan1

  • 1Johns Hopkins Bayview Medical Center, Department of Neurology, Baltimore, Md, USA.

Dialogues in Clinical Neuroscience
|October 29, 2011
PubMed
Summary
This summary is machine-generated.

Delirium and epilepsy are distinct neurological conditions with overlapping symptoms. Electroencephalography is crucial for differentiating them, guiding appropriate treatment for brain dysfunction.

Keywords:
EEGdeliriumepilepsyictal, interictal, and postictal deliriumnonconvulsive status epilepticuspathogenesis

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Assessment of Memory Function in Pilocarpine-induced Epileptic Mice
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Assessment of Memory Function in Pilocarpine-induced Epileptic Mice

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Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
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Published on: September 20, 2024

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice
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Assessment of Memory Function in Pilocarpine-induced Epileptic Mice

Published on: June 4, 2020

Area of Science:

  • Neurology
  • Neuroscience
  • Critical Care Medicine

Background:

  • Delirium involves reversible global brain dysfunction from various causes.
  • Epilepsy is characterized by spontaneous, recurrent abnormal brain electrical activity.
  • Differentiating these conditions is vital for effective patient management.

Purpose of the Study:

  • To clarify the distinct clinical features of delirium and epilepsy.
  • To highlight the diagnostic challenges posed by overlapping symptoms, particularly nonconvulsive epileptic states.
  • To emphasize the role of electroencephalography in differential diagnosis.

Main Methods:

  • Comparative analysis of clinical features of delirium and epilepsy.
  • Review of diagnostic criteria and challenges.
  • Emphasis on electroencephalography as the gold standard diagnostic tool.

Main Results:

  • Delirium presents with subacute cognitive and awareness changes.
  • Epilepsy typically involves acute brain function interruption, often with seizures.
  • Nonconvulsive epileptic states can mimic delirium, necessitating electroencephalography for accurate diagnosis.

Conclusions:

  • Electroencephalography is essential for distinguishing delirium from epilepsy.
  • Accurate diagnosis enables targeted and effective treatment strategies.
  • Further research is needed to understand underlying brain mechanisms and improve objective diagnosis.