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首页> 美国卫生研究院文献>Scientific Reports >Recording mobile EEG in an outdoor environment reveals cognitive-motor interference dependent on movement complexity
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Recording mobile EEG in an outdoor environment reveals cognitive-motor interference dependent on movement complexity

机译：在室外环境中记录移动脑电图揭示了取决于运动复杂性的认知运动干扰

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摘要

Oftentimes we find ourselves in situations in which we need to perform concurrent motor and cognitive tasks like simple locomotion while being cognitively involved. In the present study, we investigated in how far cognitive and motor functioning interfere in an outdoor environment. Our participants performed an auditory oddball task while concurrently completing various motor tasks on the outside premises of our institute. Beside behavioural responses and subjective workload ratings, we also analysed electrophysiological data recorded with a 30-channel mobile EEG montage. We observed an increase of subjective workload and decrease of performance with increasing movement complexity. Accordingly, we also found a decrease in the parietal P3 amplitude as well as in frontal midline Theta power with higher motor load. These results indicate that an increased movement complexity imposes a higher workload to the cognitive system, which, in turn, effectively reduces the availability of cognitive resources for the cognitive task. Overall this experiment demonstrates the feasibility of transferring classical paradigms of cognitive research to real-world settings. The findings support the notion of shared resources for motor and cognitive functions by demonstrating distinct modulations of correlates of cognitive processes across different motor tasks.
机译：通常，我们发现自己处于需要同时执行运动和认知任务（例如简单的运动）并同时参与认知的情况。在本研究中，我们调查了认知和运动功能在室外环境中的干扰程度。我们的参与者执行了听觉上的奇怪任务，同时在我们研究所的外部场所完成了各种运动任务。除了行为反应和主观工作量评分，我们还分析了使用30通道移动EEG蒙太奇记录的电生理数据。我们观察到，随着运动复杂度的增加，主观工作量增加，性能下降。因此，我们还发现随着电机负载的增加，顶壁P3振幅以及额中线Theta功率均降低。这些结果表明，增加的运动复杂性给认知系统带来了更高的工作量，从而有效地减少了用于认知任务的认知资源的可用性。总体而言，该实验证明了将认知研究的经典范式转移到现实世界中的可行性。这些发现通过展示跨不同运动任务的认知过程相关性的不同调制，支持了运动和认知功能共享资源的概念。

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