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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,...
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...
CNS Depressants: Alcohol and Nicotine01:27

CNS Depressants: Alcohol and Nicotine

Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
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:
Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for their...
Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
Ezogabine has gained approval as an adjunctive treatment...

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Related Experiment Video

Updated: Jun 25, 2026

Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development
15:27

Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development

Published on: July 13, 2014

Alcohol withdrawal seizures.

John R Hughes1

  • 1Department of Neurology, University of Illinois Medical Center, M/C 796, 912 South Wood Street, Chicago, IL 60612, USA. jhughes@uic.edu

Epilepsy & Behavior : E&B
|March 3, 2009
PubMed
Summary
This summary is machine-generated.

Alcohol withdrawal syndrome involves changes in brain receptors, leading to hyperexcitability and seizures. Effective treatments include benzodiazepines and antiepileptic drugs like carbamazepine.

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Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
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Microdialysis of Excitatory Amino Acids During EEG Recordings in Freely Moving Rats
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Microdialysis of Excitatory Amino Acids During EEG Recordings in Freely Moving Rats

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Related Experiment Videos

Last Updated: Jun 25, 2026

Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development
15:27

Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development

Published on: July 13, 2014

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
05:12

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder

Published on: June 23, 2023

Microdialysis of Excitatory Amino Acids During EEG Recordings in Freely Moving Rats
08:47

Microdialysis of Excitatory Amino Acids During EEG Recordings in Freely Moving Rats

Published on: November 8, 2018

Area of Science:

  • Neuroscience
  • Pharmacology
  • Clinical Medicine

Background:

  • Alcohol withdrawal syndrome (AWS) is a complex neurological condition.
  • Key neurotransmitter systems, including N-methyl-d-aspartate (NMDA) and gamma-aminobutyric acid (GABA) receptors, are implicated in AWS pathophysiology.
  • Chronic alcohol use leads to adaptive changes in these receptors, resulting in hyperexcitability during withdrawal.

Purpose of the Study:

  • To review the current understanding of alcohol withdrawal syndrome (AWS).
  • To explore the neurobiological mechanisms underlying AWS, focusing on receptor function and neurochemical changes.
  • To discuss the clinical characteristics, diagnostic indicators, and therapeutic strategies for AWS.

Main Methods:

  • Review of existing literature on alcohol withdrawal syndrome.
  • Analysis of findings from rodent studies on NMDA and GABA receptor involvement.
  • Examination of human studies detailing receptor activity, neurochemical alterations, and clinical manifestations.

Main Results:

  • Alcohol intoxication alters NMDA and GABA receptor function, leading to hyperexcitability during withdrawal.
  • Increased homocysteine levels are identified as a risk factor and potential screening tool for AWS.
  • Characteristic findings include ECG changes (QT interval prolongation) and EEG abnormalities, with seizures occurring typically 6-48 hours post-cessation.

Conclusions:

  • AWS involves complex neuroadaptations in NMDA and GABAergic systems.
  • Homocysteine and dopamine transporter gene variations are associated with AWS risk.
  • Benzodiazepines are standard therapy, but antiepileptic drugs like carbamazepine and topiramate offer effective and safe alternatives.