Comparison of Occupational Performance in Immersive Virtual and Real Environments Among Patients With Stroke:...

Area of Science:

• Neuroscience
• Rehabilitation Medicine
• Human-Computer Interaction

Background:

• Traditional stroke rehabilitation often involves simulating daily tasks in clinical settings.
• Immersive virtual reality (IVR) is increasingly used, but direct comparisons of occupational performance between virtual and real environments are scarce.

Purpose of the Study:

• To introduce a novel IVR shopping system for stroke patients.
• To investigate the correlation of occupational performance between virtual and real shopping environments.

Main Methods:

• A randomized crossover study involving 10 stroke patients.
• Assessment of occupational performance using memory capacity and task completion duration.
• Utilized Mini-Mental State Examination (MMSE), Timed Up and Go Test (TUGT), modified Barthel index (MBI), and Lawton index (LI).
• Statistical analysis included Wilcoxon test and Spearman correlation coefficients.

Main Results:

• No significant differences in memory capacity or task completion duration between IVR and real environments (P>.99 and P=.99).
• Memory capacity correlated with the Lawton index (LI) in both environments (ρ=0.81; P=.005).
• Memory duration showed a relationship with TUGT in the virtual environment (ρ=0.68; P=.03).

Conclusions:

• IVR shopping demonstrated comparable performance to real-world shopping, suggesting potential for IADL assessment and training.
• IVR may serve as a valuable alternative in resource-limited settings or remote areas.
• Further research is essential to validate IVR's psychometric properties and clinical impact on real-world performance.