A meta-analysis of simulator sickness as a function of simulator fidelity
DOI: 10.1007/s00221-022-06485-6
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Summary
This meta-analysis investigates the relationship between simulator fidelity and Simulator Sickness (SS), addressing the counterintuitive finding that higher fidelity often correlates with increased sickness. The authors hypothesize that this positive relationship applies only to static (fixed-base) simulators, whereas increased fidelity should reduce SS in dynamic (moving-base) simulators by better aligning visual and inertial cues. The study aims to clarify these conflicting reports by synthesizing data from empirical studies that varied fidelity aspects while assessing SS under consistent driving conditions. The researchers conducted a literature search using Scopus and the Driving Simulation Conference proceedings, identifying 41 eligible studies involving human participants. These studies compared at least two experimental conditions with varying visual or mechanical fidelity. Data were extracted from tables, graphs, or author requests, and sickness scores from various questionnaires (primarily the Simulator Sickness Questionnaire) were normalized to a common 0–1 scale. The analysis employed mixed-effects linear models and meta-regressions to evaluate the impact of visual fidelity factors (modality, field of view, stereoscopy, pixels per degree, frame rate) and mechanical fidelity (static vs. dynamic base, degrees of freedom) on SS. The models accounted for study-specific variability and peripheral factors such as participant activity level and exposure duration. The results indicate that Simulator Sickness generally decreases as visual fidelity increases, particularly regarding pixels per degree and field of view. However, this beneficial effect is negated in static simulators, supporting the hypothesis that high-fidelity visual cues in the absence of corresponding motion cues exacerbate sensory conflict. Conversely, the findings provide support for the claim that increased fidelity reduces SS in dynamic simulators. The analysis also revealed that Head-Mounted Displays (HMDs) and stereoscopic 3D visualizations were associated with higher sickness levels compared to other modalities, likely due to technical limitations like latency or the prevalence of these features in static setups. The authors noted significant gaps in the literature, including insufficient reporting of motion cueing algorithms and mechanical acceleration data, which limited the precision of mechanical fidelity assessments. The study concludes that the pursuit of higher simulator fidelity is not inherently detrimental to user comfort; rather, its impact depends on the simulator’s mechanical base. High visual fidelity reduces sickness in dynamic systems by improving sensory congruence but increases it in static systems by heightening visual-vestibular mismatch. The authors recommend future research focus on dynamic simulators and provide detailed reporting of motion parameters to definitively establish the role of fidelity in SS. This work refines the understanding of simulator design, suggesting that fidelity improvements should be coupled with appropriate motion feedback to minimize sickness.
Provenance
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | Crossref | — | — | 1 | 2026-06-06 |
| archive | success | canonical_url | — | — | 1 | 2026-06-09 |
| extract | success | cached | — | — | 2 | 2026-06-09 |
| clean | success | clean | — | — | 1 | 2026-06-07 |
| chunk | success | chunk | — | — | 1 | 2026-06-07 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-07 |
| promote | success | — | — | — | 1 | 2026-06-06 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 1 | 2026-06-09 |
| tag | success | vector_similarity | — | — | 15 | 2026-06-11 |
| verify | success | — | — | — | 1 | 2026-06-09 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-09; verification: verified.
Topics
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- simulator sickness
- simulator validity fidelity
- passenger motion sickness comfort
- simulator training transfer
Information type
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- Methodological Resource: validation psychometrics, tool software