AuReTim:一个廉价且可扩展的开源听觉精神运动警觉性测试

T. Strasser, Inga Rothert, Thomas Heine, T. Peters
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引用次数: 0

摘要

在一个旨在表征光的非视觉效应(NiviL)的大型联合研究项目中,AuReTim是一种使用听觉刺激的低成本、可扩展的开源便携式精神运动警觉性测试,专门用于现场测试。目前,使用声刺激实现了一个无准备的简单反应时间和一个去/不去范式。AuReTim基于廉价的硬件,例如,它的核心是一个利用触摸屏作为输入的树莓派。它的软件是用Java™开发的,使用开源库,因此提供了与其他研究设置的连接,例如EEG,以及与其他刺激范例的易于扩展。仿真研究证明了AuReTim的精确计时范围在- 1.86和1.67 ms之间。AuReTim将基于平板电脑的精神运动警觉性测试的可移动性与传统的基于计算机的测试的可用性相结合,这在实地研究中特别有用。AuReTim被成功地应用于研究不同照明对警觉性的影响,并被证明是一个有价值的工具,研究使用中枢神经激活水平作为结果测量。
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AuReTim: an inexpensive and extensible open-source auditory psychomotor vigilance test
Within a large joint research project aiming for characterizing the nonvisual effects of light (NiviL), AuReTim, a low-cost and extensible open-source portable psychomotor vigilance test using auditory stimuli was developed, tailored for field testing. Currently, an unprepared simple reaction time and a go/no-go paradigm using acoustic stimuli are implemented. AuReTim is based on inexpensive hardware, e.g., its core is a Raspberry Pi leveraging a touch screen as input. Its software is developed in Java™ using open-source libraries, therefore providing connectivity with other research setups, e.g., EEG, and easy extensibility with other stimulus paradigms. A simulation study proved the precise timing of AuReTim with limits of agreement between −1.86 and 1.67 ms. AuReTim combines the mobility of tablet-based psychomotor vigilance tests with the usability of conventional computer-based tests, which is especially helpful in field studies. AuReTim was successfully applied to study the effects of different lighting on alertness and proved to be a valuable tool for studies using the central nervous activation level as an outcome measure.
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