Practice VR UX vocabulary: comfort guidelines, motion sickness (simulator sickness, vection), locomotion techniques (teleport vs. smooth movement), and breaking presence concepts.
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Why is maintaining 60fps (or higher) a critical VR comfort guideline?
In VR, visual-vestibular mismatch is the primary cause of motion sickness. When the visual update lags head rotation (due to low fps or high render time), the brain receives conflicting signals — eyes say 'still', inner ear says 'moving' — triggering nausea. Most platforms require 72-90fps minimum.
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What is 'vection' in VR motion sickness terminology?
Vection is the illusion of self-motion created by visual flow — the same sensation you experience sitting in a stationary train while a train next to you moves. In VR, strong vection combined with no physical movement causes simulator sickness.
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What is the difference between 'teleport locomotion' and 'smooth movement' in VR?
Teleport locomotion (point-and-click to a new position) eliminates continuous visual flow that triggers vection, making it comfortable for most users. Smooth locomotion feels more natural but causes discomfort for users susceptible to simulator sickness. Many VR apps offer both.
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What does 'breaking presence' mean in VR UX?
Presence is the core VR experience: the feeling of 'being there'. Anything that reminds users they are in a simulation — tracking glitches, inconsistent physics, mismatched audio, interface elements that look like 2D overlays — breaks presence and reduces immersion quality.
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What is 'simulator sickness' and how does it differ from traditional motion sickness?
Simulator sickness (a form of cybersickness) occurs when the visual system perceives motion but the vestibular system does not — the inverse of traditional motion sickness (car sickness), where the body moves but vision is stationary. Both result from sensory conflict triggering the body's poison response.
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Alex: 'Hey team, I'm getting some reports of users feeling nauseous after spending more than a minute in the new VR demo. Any ideas what might be causing this?'
Simulator sickness isn't about individual user physiology; it's a specific symptom arising from VR. The core issue is often a disconnect between visual input and vestibular (balance) feedback, leading to disorientation. While performance issues can exacerbate this, the initial report points to a potential mismatch in sensory input – a key factor in understanding and mitigating 'simulator sickness'.
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During a code review of a new VR interaction implementation, Sarah comments: 'The jump vector feels *really* abrupt. It's jarring and makes me feel like I'm being thrown around.' Which term best describes her observation?
Sarah's comment highlights a problem with the sudden change in movement. 'Momentum buildup' describes the sensation of an object continuing to move after a force is removed – this directly relates to the feeling of being abruptly thrown around when using a jump vector that isn't smoothly integrated. Latency and velocity scaling are related to performance, while disorientation is a broader symptom.
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You're drafting a PR description for a change that implements smooth movement locomotion in your VR project. Which of the following phrases would be MOST effective to describe this feature's impact on user comfort?
The key here is framing the benefit in terms of user comfort and minimizing a known VR discomfort factor. 'Smooth movement' directly addresses the cause of motion sickness, providing a continuous, predictable experience that contrasts sharply with abrupt movements. Focusing on visual fidelity or frame rates doesn't directly address the core issue.
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Ben, a senior VR UX designer, is presenting to the team. He says: 'We need to carefully consider whether our users can maintain focus on the task at hand when they're constantly battling visual discomfort and motion sickness.' What concept is Ben primarily referring to?
'Breaking presence' describes the situation where a user's immersion in the VR experience is disrupted by discomfort – like motion sickness or visual issues. This disruption directly impacts their ability to focus on the task at hand because their attention is diverted to managing the negative sensations. Peripheral vision distortion and cognitive load are related but don't capture the core concept of diminished immersion.
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An API response from a VR tracking system indicates: `{'timestamp': 1678886400, 'position': [1.23, -0.56, 0.89], 'rotation': [0.12, -0.34, 0.05]}`. What does this data primarily represent in the context of VR UX?
This data represents precise positional and rotational information about where the user's head is located in the virtual environment. This 'real-time positional tracking' is fundamental to creating a believable VR experience and allowing for intuitive interactions. The other options relate to different aspects of VR system performance or user input, but not the core tracking data itself.
What does this Wearables & Spatial Computing Language exercise cover?
This exercise, "VR UX Vocabulary Quiz", tests your understanding of wearables & spatial computing language vocabulary and phrasing through 10 multiple-choice questions drawn from real workplace scenarios.
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This exercise has 10 questions. Each one presents a realistic sentence or scenario with multiple-choice options and an explanation once you answer.
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Who is this Wearables & Spatial Computing Language exercise for?
It's designed for IT professionals and learners who want to sound natural discussing wearables & spatial computing language topics in English — useful for meetings, documentation, interviews, and day-to-day communication with English-speaking teams.
How is this different from reading a glossary or blog article?
Exercises like this one are active recall drills — you have to choose the correct term or phrasing yourself, which builds retention faster than passively reading a definition.
Where can I find more Wearables & Spatial Computing Language exercises?
Browse the full Wearables & Spatial Computing Language exercises hub for more practice, or explore other exercise categories covering vocabulary, grammar, interviews, and workplace communication.