10
这些装置完全是光纤的,在磁室内没有电线或电子设备,通过可用的波导连接到位于控制室的光纤接口控制台。界面控制台通过LED指示灯提供受试者反应的实时反馈,并包括一组开关,可根据需要为受试者做出反应。在与E-Prime无缝集成的同时,该系统还提供TTL输出信号,可用于与其他数据采集设备和软件接口。
The jewel in the crown, however, is E-Prime 3.0. E-Prime 3.0 allows us to control and connect all manner of external peripherals. We use the E-Prime Extensions for Tobii Pro to integrate the eye tracker into our research, and the EET’s allow us to mark data with precise timing and accuracy using a local server on the stimulus PC.
As part of this research, I am using EEG to analyse brain activity during hazard perception and risk analysis tasks. As EEG involves traditionally static stimuli, in order to eliminate ocular artefacts and to have accurate event markers to produce a stereotyped Event Related Potential (ERP), I was faced with the option of reducing ecological validity by using static imagery or finding another approach. I turned to other areas in psychology for an alternative methodology and stumbled across the use of Eye Fixation Related Potentials (EFRP) in the reading literature. Reading suffers the same issues as driving in that looking at single words presented in the centre of the screen is not “reading” (Baccino, 2012).
The PowerLab 4/35 is connected to E-Prime through its digital input socket using an AD Instruments E-Prime cable. In this instance, we use Task Events to send trigger information to LabChart Pro.
行为研究
实验设计与行为数据收集
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