Using EEG to Decode Subjective Levels of Emotional Arousal During an Immersive VR Roller Coaster Ride

Felix Klotzsche, A. Mariola, Simon M. Hofmann, V. Nikulin, A. Villringer, Michael Gaebler
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引用次数: 12

Abstract

Emotional arousal is a key component of a user's experience in immersive virtual reality (VR). Subjective and highly dynamic in nature, emotional arousal involves the whole body and particularly the brain. However, it has been difficult to relate subjective emotional arousal to an objective, neurophysiological marker-especially in naturalistic settings. We tested the association between continuously changing states of emotional arousal and oscillatory power in the brain during a VR roller coaster experience. We used novel spatial filtering approaches to predict self-reported emotional arousal from the electroencephalogram (EEG) signal of 38 participants. Periods of high vs. low emotional arousal could be classified with accuracies significantly above chance level. Our results are consistent with prior findings regarding emotional arousal in less naturalistic settings. We demonstrate a new approach to decode states of subjective emotional arousal from continuous EEG data in an immersive VR experience.
使用脑电图解码沉浸式VR过山车期间的主观情绪唤醒水平
情感唤醒是沉浸式虚拟现实(VR)中用户体验的关键组成部分。情绪的觉醒是主观的、高度动态的,涉及整个身体,尤其是大脑。然而,很难将主观情绪唤醒与客观的神经生理标记联系起来,特别是在自然环境中。我们测试了在VR过山车体验中不断变化的情绪唤醒状态和大脑振荡功率之间的关系。本研究采用新颖的空间滤波方法对38名参与者的脑电图信号进行自我报告的情绪唤醒预测。高情绪觉醒和低情绪觉醒时期的分类准确率明显高于偶然水平。我们的结果与之前关于在不太自然的环境中情绪唤醒的发现是一致的。我们展示了一种在沉浸式VR体验中从连续脑电图数据中解码主观情绪唤醒状态的新方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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