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• W4214847970 abstract "There are two modes to display panoramic movies in virtual reality (VR) environment: non-stereoscopic mode (2D) and stereoscopic mode (3D). It has not been fully studied whether there are differences in the activation effect between these two continuous display modes on emotional arousal and what characteristics of the related neural activity are. In this paper, we designed a cognitive psychology experiment in order to compare the effects of VR-2D and VR-3D on emotional arousal by analyzing synchronously collected scalp electroencephalogram signals. We used support vector machine (SVM) to verify the neurophysiological differences between the two modes in VR environment. The results showed that compared with VR-2D films, VR-3D films evoked significantly higher electroencephalogram (EEG) power (mainly reflected in α and β activities). The significantly improved β wave power in VR-3D mode showed that 3D vision brought more intense cortical activity, which might lead to higher arousal. At the same time, the more intense α activity in the occipital region of the brain also suggested that VR-3D films might cause higher visual fatigue. By the means of neurocinematics, this paper demonstrates that EEG activity can well reflect the effects of different vision modes on the characteristics of the viewers' neural activities. The current study provides theoretical support not only for the future exploration of the image language under the VR perspective, but for future VR film shooting methods and human emotion research.在虚拟现实（VR）环境中展示全景电影有两种模式，非立体视觉模式（2D）和立体视觉模式（3D），这两种不同的连续播放模式对情绪唤醒的激活效果是否存在差异以及相关的神经活动特性尚未得到充分的研究。本文通过设计认知心理学实验，分析同步采集的头皮脑电信号，对比研究了VR-2D和VR-3D视觉模式对情绪唤醒的影响，并利用支持向量机验证VR-2D与VR-3D模式神经生理特征的差异。结果发现，VR-3D影片诱发出的脑电能量显著高于VR-2D影片（主要体现在α和β活动上），VR-3D模式下显著提高的β波能量表明立体视觉带来了更强烈的大脑皮层活动，可能引发了被试者更高的唤醒度；与此同时，大脑枕区更强烈的α活动也暗示着VR-3D影片可能引发了更高的视觉疲劳度。本文利用神经电影学的研究方法发现脑电活动可以很好地反映不同观影模式对于观影者相关神经活动特性的影响，为今后进一步探索VR视角下的影像语言，为未来VR电影的拍摄方式和人的情绪研究提供了理论支撑。." @default.
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• W4214847970 date "2022-02-25" @default.
• W4214847970 modified "2023-09-23" @default.
• W4214847970 title "[Electrophysiological characteristics of emotion arousal difference between stereoscopic and non-stereoscopic virtual reality films]." @default.
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• W4214847970 doi "https://doi.org/10.7507/1001-5515.202101010" @default.
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