Virtual environments provide the ability to systematically deliver test stimuli in simulated contexts relevant to real world behavior. The current study evaluated the validity of the Virtual Reality Stroop Task (VRST), which presents test stimuli during a virtual reality military convoy with simulated combat threats. Active duty Army personnel (N = 49) took the VRST, a customized version of the Automated Neuropsychological Assessment Metrics (ANAM)-Fourth Edition TBI Battery (2007) that included the addition of the ANAM Stroop and Tower tests, and traditional neuropsychological measures, including the Delis-Kaplan Executive Function System version of the Color-Word Interference Test. Preliminary convergent and discriminant validity was established, and performance on the VRST was significantly associated with computerized and traditional tests of attention and executive functioning. Valid virtual reality cognitive assessments open new lines of inquiry into the impact of environmental stimuli on performance and offer promise for the future of neuropsychological assessments used with military personnel.

译文

虚拟环境提供了在与现实世界行为相关的模拟环境中系统地传递测试刺激的能力。当前的研究评估了虚拟现实Stroop任务 (VRST) 的有效性,该任务在具有模拟战斗威胁的虚拟现实军事车队中提供了测试刺激。现役军人 (n   =   49) 采用了VRST,这是自动神经心理学评估指标 (ANAM) 的定制版本-第四版TBI电池 (2007),其中包括添加ANAM Stroop和Tower测试以及传统的神经心理学措施,包括Delis-Kaplan执行功能系统版本的颜色-字干扰测试。建立了初步的收敛和判别效度,并且VRST上的性能与计算机化和传统的注意力和执行功能测试显着相关。有效的虚拟现实认知评估为环境刺激对绩效的影响开辟了新的思路,并为军事人员使用的神经心理学评估的未来提供了希望。

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