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Test-Retest Reliability of Immersive Virtual Reality Measures of Perceptual-Motor Performance
Gary B Wilkerson1, Jonathan C Lansey2, Courtney N Noblett1
1Graduate Athletic Training Program, University of Tennessee at Chattanooga, Chattanooga, TN, USA.
Perceptual and Motor Skills
|September 30, 2023
Summary
Immersive virtual reality (VR) tests show moderate to excellent reliability for measuring perceptual-motor responses. These findings suggest VR can improve the clinical detection of subtle brain processing impairments.
Area of Science:
- Neuroscience
- Human-Computer Interaction
- Clinical Psychology
Background:
- Current clinical assessments of brain processing efficiency lack sensitivity to subtle impairments.
- Immersive virtual reality (VR) presents a novel method for evaluating perceptual-motor responses to dynamic visual stimuli.
- The test-retest reliability of VR-based perceptual-motor measures has not been previously established.
Purpose of the Study:
- To assess the test-retest reliability of immersive virtual reality (VR) measures of perceptual-motor function.
- To evaluate response time (RT) and perceptual latency (PL) metrics in healthy young adults over three consecutive days.
- To determine the reliability of both raw and transformed data, including a composite rate correct score (RCS).
Main Methods:
- 19 healthy young adults completed a 40-trial VR test over three days.
- Measures included response time (RT) and perceptual latency (PL) for various body displacements during a reaching/lunging task.
- Data analysis focused on mean values, intra-individual variability (IIV), and a composite rate correct score (RCS).
Main Results:
- Most mean and IIV values for PL and RT showed distributional skew, improved by natural logarithm transformation.
- A learning effect was observed between the first and second sessions for most mean PL and RT measures.
- Three-session intraclass correlation coefficient (ICC) values were moderate to excellent for 15 of 16 transformed PL and RT measures (range: .618–.922).
- The composite RCS metric demonstrated excellent 3-session ICC values (.877 for PL, .851 for RT) without transformation.
Conclusions:
- Immersive VR measures of perceptual-motor function exhibit moderate to excellent test-retest reliability.
- These VR metrics hold potential for advancing the clinical detection of impaired brain processing.
- VR assessments can facilitate longitudinal tracking of performance deficiencies that may be modifiable.
