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Related Concept Videos

Dementia01:30

Dementia

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.
Dementia l: Introduction01:22

Dementia l: Introduction

Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...
Alzheimer Disease l: Introduction01:29

Alzheimer Disease l: Introduction

Alzheimer disease is a chronic, progressive, and irreversible neurodegenerative disorder and the most common cause of dementia in older adults. It leads to gradual neuronal loss, causing cognitive decline, behavioral changes, and loss of functional independence.Risk Factors and EtiologyThe disease is multifactorial. Age is the strongest risk factor, with prevalence doubling every 5 years after age 65. Genetic factors include mutations in genes such as APP, PSEN1, and PSEN2, which are associated...
Alzheimer's Disease: Overview01:26

Alzheimer's Disease: Overview

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 and tau...
Nursing Assessment01:29

Nursing Assessment

The two sources for collecting information are primary and secondary. After gathering information, interpretation and validation help to complete the data. The purpose of assessment is to establish data with the initial information, to interpret data about the patient's perceived needs and health problems, and to respond to these problems identified.
The nurse collects all aspects of the patient's health in the initial assessment, establishing priorities for ongoing focused assessments and...

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Related Experiment Video

Updated: May 19, 2026

A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
12:18

A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment

Published on: January 11, 2020

Assessing dementia in resource-poor regions.

Gladys E Maestre1

  • 1Laboratory of Neurosciences, University of Zulia, Edificio del Instituto de Enfermedades Cardiovasculares de la Universidad del Zulia, Primer Piso, Av Universidad diagonal al MACZUL, Maracaibo, 4002 Zulia, Venezuela. gem6@columbia.edu

Current Neurology and Neuroscience Reports
|August 7, 2012
PubMed
Summary

Developing countries face rising dementia rates and need cost-effective diagnostic tools. Capacity building through training and infrastructure development, supported by global partnerships, is crucial for addressing this growing global health challenge.

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Last Updated: May 19, 2026

A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
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The 4 Mountains Test: A Short Test of Spatial Memory with High Sensitivity for the Diagnosis of Pre-dementia Alzheimer's Disease
06:23

The 4 Mountains Test: A Short Test of Spatial Memory with High Sensitivity for the Diagnosis of Pre-dementia Alzheimer's Disease

Published on: October 13, 2016

Area of Science:

  • Global Health
  • Neurology
  • Public Health

Background:

  • Rapidly aging populations in developing countries are experiencing a high prevalence of dementia.
  • Resource-poor regions face significant challenges in providing cost-effective dementia care and diagnosis.
  • Developing diagnostic resources is a critical first step in managing dementia in these areas.

Purpose of the Study:

  • To highlight the challenges of dementia diagnosis and care in developing countries.
  • To emphasize the importance of capacity building for dementia diagnosis.
  • To advocate for international collaboration in addressing dementia in low-to-middle-income countries (LMICs).

Main Methods:

  • The abstract discusses the multifaceted nature of capacity building, including healthcare provider training, public education, infrastructure development, and addressing economic/ethical issues.
  • It reviews recent progress in LMICs demonstrating the effectiveness of international partnerships.
  • The text emphasizes the need for the involvement of developed countries' mental health communities.

Main Results:

  • Capacity building for dementia diagnosis requires a comprehensive approach involving education, infrastructure, and policy.
  • Partnerships between developed and developing countries, as well as among developing countries, show promise in enhancing diagnostic capabilities.
  • Progress has been observed in some LMICs through collaborative efforts.

Conclusions:

  • Effective dementia diagnosis and care in developing nations necessitate significant investment in capacity building.
  • International collaboration and partnerships are vital for improving dementia diagnostic capabilities in resource-poor settings.
  • Failure to address dementia in the developing world, without global mental health community involvement, poses a significant future crisis.