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Age-related decrease in functional mobility score when performing a locomotor task in an immersive environment.

Alexandre Renaux1,2, Fabien Clanché1,3, Frédéric Muhla2,3

  • 1Development, Adaptation, and Handicap, Faculty of Medicine, Université de Lorraine, Lorraine, France.

Frontiers in Bioengineering and Biotechnology
|June 22, 2023
PubMed
Summary
This summary is machine-generated.

Immersive virtual reality (VR) impacts functional mobility, decreasing performance in both young and older adults. This effect is more pronounced in older individuals, highlighting age-dependent responses to virtual environments.

Keywords:
age dependencefunctional mobilityimmersive virtual realitylocomotor tasksmotor control

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Area of Science:

  • Health Sciences
  • Human-Computer Interaction
  • Gerontology

Background:

  • Immersive virtual reality (VR) offers novel health applications for assessing motor behavior in simulated environments.
  • Understanding VR's impact on functional mobility is crucial for its integration into health assessments.

Purpose of the Study:

  • To evaluate the effect of immersive VR scenarios on functional mobility during a locomotor task.
  • To compare these effects across different age groups (young adults vs. older adults).

Main Methods:

  • Sixty young and 60 older adults performed a 'Timed Up and Go' locomotor task in both real and virtual reality conditions.
  • Functional mobility was quantified by combining time and step count.
  • Performance was compared between age groups and conditions.

Main Results:

  • Locomotor performance significantly decreased in VR for both young and older adults compared to real conditions.
  • Older adults showed a greater reduction in functional mobility in VR, adopting a more cautious strategy.
  • Correlations between time and step count remained consistent across conditions.

Conclusions:

  • Immersive VR affects functional mobility in an age-dependent manner, with older adults experiencing a more significant impact.
  • Reduced visual field and altered sensory feedback in VR may explain the observed performance decrements, particularly in older populations.
  • VR presents a viable tool for assessing mobility, but age-related differences in response must be considered.