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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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Virtual Work01:20

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The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
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Principle of Virtual Work: Problem Solving01:13

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The principle of virtual work is an essential concept in the field of mechanics and engineering. This is used to solve problems related to the equilibrium of a structure or system. It is based on the assumption that if a system is in equilibrium, the work done by all the forces during a virtual displacement is zero. This principle is applied by considering virtual displacements of the system and the corresponding work done by internal and external forces.
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Virtual Work for a System of Connected Rigid Bodies01:06

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Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
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Obedience01:08

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According to obedience research, we may harm others under the forceful pressures of an authority figure (Milgram, 1974). How about if the inappropriate orders were delivered with less force? The increasing interdependence between nurses and physicians compelled Hofling and his colleagues to explore nurses’ reactions to a potentially harmful medical request made by the perceived authority figure, the doctor (Hofling, Brotzman, Dalrymple, Graves, & Pierce, 1966). In this situation,...
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Related Experiment Video

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Virtual Reality Experiments with Physiological Measures
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[Virtual reality and dementia].

E Diaz-Perez1, J A Florez-Lozano1

  • 1Universidad de Oviedo, 33005 Oviedo, Espana.

Revista De Neurologia
|May 12, 2018
PubMed
Summary
This summary is machine-generated.

Virtual reality (VR) shows promise for dementia treatment, offering a potentially effective tool for psychological intervention. Further rigorous research is needed to confirm its efficacy and guide clinical application.

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Area of Science:

  • Neuroscience
  • Psychology
  • Digital Health

Background:

  • Virtual reality (VR) technology has been utilized in psychological disorder treatment since 1994.
  • Its application has garnered significant interest from clinicians and researchers.
  • VR is recognized as a potential tool for psychological evaluation and neurorehabilitation.

Purpose of the Study:

  • To review published studies on virtual reality interventions for dementia treatment.
  • To evaluate the efficacy of virtual reality in managing dementia.

Main Methods:

  • A comprehensive literature search was conducted from 2007 to 2017.
  • Databases searched included PubMed, PsycINFO, Dialnet, and Google Scholar.
  • Analysis focused on studies employing virtual reality for dementia treatment.

Main Results:

  • A limited number of studies were identified within the specified timeframe.
  • Results suggest virtual reality is a promising area for dementia intervention.
  • Evidence indicates a favorable acceptance of VR among individuals with dementia.

Conclusions:

  • Virtual reality presents a growing and promising avenue for psychological intervention, particularly for dementia.
  • VR technology is viewed favorably by individuals with dementia.
  • It is crucial to utilize VR as a therapeutic tool, not a replacement for therapists, necessitating further rigorous research.