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Related Concept Videos

Dementia01:30

Dementia

120
Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
The progression of dementia is generally gradual....
120
Alzheimer's Disease: Overview01:26

Alzheimer's Disease: Overview

498
Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
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CNS Depressants: Alcohol and Nicotine01:27

CNS Depressants: Alcohol and Nicotine

220
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...
220
Alzheimer's Disease: Treatment01:22

Alzheimer's Disease: Treatment

197
Alzheimer's Disease (AD), a neurodegenerative disorder, is pathologically identified by amyloid plaques and neurofibrillary tangles composed of tau protein. AD pharmacotherapy aims to manage cognitive symptoms, delay disease progression, and treat behavioral symptoms. The treatment is primarily symptomatic and palliative, with no definitive disease-modifying therapy available. Cholinesterase inhibitors, including donepezil (Aricept), rivastigmine (Exelon), and galantamine (Razadyne), are...
197
Amnesia01:13

Amnesia

129
Amnesia is a condition marked by long-term memory loss, which impairs the ability to recall past events or create new memories.
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
129
Depressants01:28

Depressants

120
Depressant drugs, including alcohol and sedative-hypnotics, diminish central nervous system activity by enhancing the action of gamma-aminobutyric acid (GABA), a neurotransmitter that reduces brain activity and promotes relaxation. These substances can have various therapeutic uses but also pose significant risks, especially when misused or combined.
Alcohol is a common depressant that can induce a sense of relaxation and reduced inhibition at low doses. Contrary to its occasional...
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Related Experiment Video

Updated: Jul 11, 2025

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
09:26

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

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Alcohol-related dementia.

Lesley Fitzpatrick1, Gerri Mortimore2

  • 1Advanced Clinical Practitioner, Older People's Acute Mental Health Inpatient Services, Derbyshire Healthcare Foundation NHS Trust.

British Journal of Nursing (Mark Allen Publishing)
|November 8, 2023
PubMed
Summary

Alcohol-related dementia is a growing concern, particularly in England. This article reviews evidence to determine if it

Area of Science:

  • Neurology
  • Public Health
  • Addiction Medicine

Background:

  • Dementia is a leading cause of death globally and in the UK, affecting approximately 1 million people.
  • Alcohol consumption is rising, increasing the risk of alcohol-related dementia, especially in younger and middle-aged populations.
  • Alcohol is a leading cause of death in the 50-69 age group in England.

Purpose of the Study:

  • To review the existing evidence base on alcohol-related dementia.
  • To discuss whether alcohol-related dementia should be classified as a subclass of dementia or a distinct condition.

Main Methods:

  • Literature review of scientific articles and studies.
  • Analysis of epidemiological data on dementia and alcohol consumption.
  • Synthesis of findings to evaluate the classification of alcohol-related dementia.
Keywords:
Advanced practitionersAlcohol-related dementiaNursesThiamine deficiency

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

Published on: June 23, 2023

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The Use of Trace Eyeblink Classical Conditioning to Assess Hippocampal Dysfunction in a Rat Model of Fetal Alcohol Spectrum Disorders
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The Use of Trace Eyeblink Classical Conditioning to Assess Hippocampal Dysfunction in a Rat Model of Fetal Alcohol Spectrum Disorders

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Related Experiment Videos

Last Updated: Jul 11, 2025

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Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

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

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The Use of Trace Eyeblink Classical Conditioning to Assess Hippocampal Dysfunction in a Rat Model of Fetal Alcohol Spectrum Disorders
19:57

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Main Results:

  • Evidence suggests a significant link between heavy alcohol consumption and cognitive decline.
  • Alcohol-related dementia presents with distinct pathological features and progression patterns.
  • Existing diagnostic criteria may not fully capture the nuances of alcohol-related dementia.

Conclusions:

  • Alcohol-related dementia may warrant consideration as a separate entity due to its unique etiology and characteristics.
  • Further research is needed to establish definitive diagnostic criteria and treatment guidelines.
  • Public health initiatives addressing alcohol consumption are crucial to mitigate the future burden of alcohol-related dementia.