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Related Concept Videos

Dementia01:30

Dementia

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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....
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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
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Related Experiment Video

Updated: Jan 18, 2026

The 4 Mountains Test: A Short Test of Spatial Memory with High Sensitivity for the Diagnosis of Pre-dementia Alzheimer's Disease
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Differences in physical function across dementia subtypes and cognitive decline: a cross-sectional study.

Kristina Batič1, Žiga Kozinc2, Polona Rus Prelog3

  • 1Rehabilitation Department, University Psychiatric Clinic Ljubljana, Ljubljana, Slovenia; Faculty of Health Sciences, University of Primorska, Izola.

European Journal of Translational Myology
|June 3, 2025
PubMed
Summary
This summary is machine-generated.

Physical function in dementia patients varies by dementia type and cognitive decline. Mild Cognitive Impairment patients showed better physical function than those with Alzheimer's Dementia or Vascular Dementia.

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Area of Science:

  • Gerontology
  • Neurology
  • Physical Therapy

Background:

  • Cognitive impairment significantly impacts physical function in dementia patients.
  • Variations in physical function across dementia types and cognitive decline levels are not well understood.

Purpose of the Study:

  • To investigate the relationship between dementia type, cognitive decline severity, and physical function.
  • To compare physical performance across different dementia diagnoses and cognitive impairment levels.

Main Methods:

  • Retrospective cross-sectional study of 874 dementia patients.
  • Assessed physical function using De Morton Mobility Index (DEMMI), 6-minute walking test (6MWT), 10-meter walking test (10MWT), hand grip strength (HGS), 30-second chair stand (30sSTS), and timed Up & Go (TUG).
  • Cognitive function assessed via Mini-Mental State Examination (MMSE).

Main Results:

  • Mild Cognitive Impairment (MCI) group showed superior performance in DEMMI, 30sSTS, and HGS compared to Alzheimer's Dementia (AD) and Vascular Dementia (VaD) groups.
  • Severe cognitive impairment was associated with significantly lower physical performance across all tested measures.
  • Adjusting for age and sex diminished differences in 6MWT between groups.

Conclusions:

  • Physical function profiles differ significantly based on dementia type and the degree of cognitive impairment.
  • Findings underscore the necessity for tailored interventions addressing specific physical deficits in dementia care.