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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
Published on: October 13, 2016
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Cognitive Decline in Alzheimer's Disease.
Abigail A Testo1, Gwenyth Roundy1, Julie A Dumas2
1Department of Psychiatry, University of Vermont, Burlington, VT, USA.
Current Topics in Behavioral Neurosciences
|November 1, 2024
Summary
Alzheimer's disease causes cognitive decline, unlike normal aging. This review details how Alzheimer's disease impacts memory and cognition throughout its stages.
Area of Science:
- Neurology
- Gerontology
- Cognitive Science
Background:
- Dementia significantly impacts older adults, causing deficits in daily living tasks.
- Alzheimer's disease (AD) is the primary cause of dementia, accounting for 60-80% of cases.
- Episodic memory decline is an early and defining characteristic of Alzheimer's disease.
Purpose of the Study:
- To review the impact of normal and pathological aging on cognition.
- To focus on the cognitive effects of Alzheimer's disease progression.
- To describe the stages of Alzheimer's disease and their cognitive manifestations.
Main Methods:
- Literature review of studies on aging and dementia.
- Analysis of cognitive changes in normal aging versus Alzheimer's disease.
- Description of Alzheimer's disease progression and its cognitive sequelae.
Main Results:
- Alzheimer's disease-related cognitive decline is distinct from normal aging.
- Cognitive impairments in AD affect memory, language, and daily functioning.
- The severity of cognitive deficits progresses with each stage of Alzheimer's disease.
Conclusions:
- Understanding Alzheimer's disease's cognitive impact is crucial due to global aging.
- Differentiating AD-related cognitive changes from normal aging is essential for diagnosis and care.
- This review provides insights into the progressive cognitive nature of Alzheimer's disease.
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