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Virtual Reality Sickness Reduces Attention During Immersive Experiences.

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    Virtual Reality (VR) sickness reduces user attention, as measured by electroencephalography (EEG) and the P3b Event-Related Potential (ERP). This VR-induced attention deficit impacts task performance and can be tracked in real-time.

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    Area of Science:

    • Neuroscience
    • Human-Computer Interaction
    • Virtual Reality

    Background:

    • Virtual Reality (VR) sickness is a common issue affecting user experience.
    • The relationship between VR sickness and cognitive functions like attention requires further investigation.
    • Event-Related Potentials (ERPs) offer a potential method for real-time cognitive assessment.

    Purpose of the Study:

    • To investigate the association between Virtual Reality (VR) sickness and attention.
    • To determine if electroencephalography (EEG) measures, specifically the P3b ERP component, can detect attention reduction during VR sickness.
    • To explore the dynamic relationship between VR sickness symptoms and attentional capacity.

    Main Methods:

    • A user study was conducted involving a virtual museum tour with varying rotational stimuli to induce different levels of VR sickness.
    • Participants performed a dual-task paradigm: a primary task of attending to the virtual environment and a secondary task of silently counting tones.
    • Electroencephalography (EEG) was used to measure the P3b ERP component, with control conditions including non-VR and stationary VR immersion.

    Main Results:

    • A significant association was found between the mean amplitude of the P3b ERP component and both self-reported sickness severity (using the SSQ questionnaire) and performance on the secondary counting task.
    • Reduced P3b amplitude correlated with increased VR sickness severity and a higher number of errors in the secondary task.
    • These findings suggest that VR sickness dynamically impairs attention.

    Conclusions:

    • Virtual Reality (VR) sickness is linked to a measurable reduction in attentional capacity.
    • Electroencephalography (EEG) and P3b ERPs can serve as objective, real-time indicators of attention deficits caused by VR sickness.
    • This research provides a foundation for developing methods to track and potentially mitigate the cognitive effects of VR sickness during immersive experiences.