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Using virtual reality simulation to study navigation in a complex environment as a functional-cognitive task; A pilot

R Kizony1,2, G Zeilig3,4, T Krasovsky2,5

  • 1Center of Advanced Technologies in Rehabilitation, Sheba Medical Center, Tel Hashomer, Israel.

Journal of Vestibular Research : Equilibrium & Orientation
|April 8, 2017
PubMed
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This summary is machine-generated.

Older adults navigate virtual environments less efficiently than younger adults, highlighting the importance of cognitive-executive functions in complex task performance. Gait speed did not differ, but cognitive load impacted overall navigation speed.

Area of Science:

  • Gerontology
  • Cognitive Neuroscience
  • Human Movement Science

Background:

  • Navigation skills are crucial for complex daily tasks and can decline with age.
  • Assessing navigation requires evaluating both cognitive-executive and motor functions.
  • Aging impacts functional complex task performance, necessitating a deeper understanding of contributing factors.

Purpose of the Study:

  • To compare navigation performance between young and older healthy adults.
  • To investigate navigation in a simulated environment with and without a concurrent functional-cognitive task.
  • To analyze the interplay of cognitive-executive and motor aspects during complex task navigation.

Main Methods:

  • Utilized the Virtual Multiple Errands Test (VMET) in a mall simulation.
Keywords:
Navigationelderlyfunctional virtual environment

Related Experiment Videos

  • Recruited ten young adults (mean age 25.6 years) and seven older adults (mean age 69.9 years).
  • Measured cognitive-executive performance and gait parameters during navigation tasks.

    • Main Results:

    • Younger adults demonstrated significantly more efficient (1.8 vs. 5.3) and faster (478.1s vs. 867.6s) VMET performance than older adults.
    • No significant differences were found in gait parameters between the age groups.
    • Both young and older adults exhibited slower walking speeds within the mall simulation environment.

    Conclusions:

    • The virtual shopping simulation effectively assesses the integration of motor and cognitive functions in complex tasks.
    • Cognitive-executive aspects are critical for efficient task performance in healthy older adults.
    • Age-related navigation declines are primarily linked to cognitive-executive challenges rather than motor deficits.