Driving simulator performance of Veterans from the Iraq and Afghanistan wars
DOI: 10.1682/jrrd.2012.06.0108
archive: archived pipeline: cataloged verified
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Summary
This study addresses the critical safety concern of motor vehicle crashes among Veterans of Operation Iraqi Freedom and Operation Enduring Freedom (OIF/OEF). Prior research indicated that these Veterans report higher rates of unsafe driving behaviors post-deployment, potentially due to "battlemind" maneuvers learned during combat and the prevalence of posttraumatic stress disorder (PTSD). However, existing data relied heavily on self-report measures. This research aimed to objectively evaluate driving abilities using a standardized driving simulator to determine if OIF/OEF Veterans perform worse than civilians and to explore the association between PTSD symptoms and driving errors. The study utilized a controlled experimental design involving 25 OIF/OEF Veterans and 25 age- and education-matched civilian controls. Participants underwent a 30-minute assessment using the Virtual Rx Driver NDX System, a three-monitor simulator featuring highway, urban, and residential environments with programmed obstacles. The software recorded driving errors, which were classified by severity (minor, moderate, severe) and content domain (speeding, positioning, signaling). Veterans also completed the Posttraumatic Stress Disorder Checklist–Military Version and a driving history questionnaire. Statistical analyses included multivariate analysis of variance (MANOVA) to compare group performance and correlation tests to examine relationships between PTSD symptoms and simulator errors. The results demonstrated that OIF/OEF Veterans committed significantly more total driving errors than the civilian control group. This deficit was consistent across all severity levels, with Veterans exhibiting significantly higher frequencies of minor, moderate, and severe errors. When analyzing specific content domains, Veterans made significantly more speeding errors than civilians, though no significant differences were found for positioning or signaling errors. Self-reported driving histories corroborated these findings, as Veterans reported significantly more lifetime traffic warnings, moving violation tickets, and accidents than controls. Exploratory analyses revealed a positive correlation between the frequency of simulator errors and lifetime traffic violations. Additionally, while not statistically significant, there was a trend suggesting that higher PTSD symptom scores were associated with a greater number of total driving errors. The findings provide objective evidence that OIF/OEF Veterans exhibit poorer driving performance compared to civilians, particularly regarding speed regulation. The association between simulator performance and real-world traffic infractions validates the utility of driving simulators as screening tools. The study highlights the potential role of PTSD and deployment-related factors in compromising driving safety. The authors conclude that driving simulators offer a safe, proactive method for identifying at-risk Veterans who may require driver retraining or rehabilitative interventions. This approach is crucial for preventing motor vehicle crashes, which are a leading cause of injury and disability in this population, while preserving the functional independence that driving provides for community reintegration.
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | Crossref | — | — | 1 | 2026-06-20 |
| archive | success | canonical_url | — | — | 1 | 2026-06-26 |
| extract | success | cached | — | — | 2 | 2026-06-26 |
| clean | success | clean | — | — | 1 | 2026-06-20 |
| chunk | success | chunk | — | — | 1 | 2026-06-20 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-20 |
| enrich | success | openalex | — | — | 1 | 2026-06-20 |
| promote | success | — | — | — | 1 | 2026-06-20 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 1 | 2026-06-26 |
| tag | success | vector_similarity | — | — | 6 | 2026-06-20 |
| verify | success | — | — | — | 1 | 2026-06-26 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-26; verification: verified.
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- Methodological Resource: validation psychometrics, tool software