在观察容积式多平面图像时，深度视觉搜索的大脑活动。
Brain activity underlying visual search in depth when viewing volumetric multiplanar images.
机构信息
Department of Optometry and Vision Science, Faculty of Physics, Mathematics and Optometry, University of Latvia, Riga, Latvia.
Laboratory of Statistical Research and Data Analysis, Faculty of Physics, Mathematics and Optometry, University of Latvia, Riga, Latvia.
出版信息
Sci Rep. 2023 May 11;13(1):7672. doi: 10.1038/s41598-023-34758-9.
The study investigated the cortical activity associated with 3D and 2D image perception on a volumetric multiplanar display by analyzing event-related potentials (ERPs) and power spectral density (PSD). In this study, we used a volumetric multiplanar display to present visual targets, and the brain signals were recorded via an EEG amplifier and analyzed using the EEGLAB toolbox on MATLAB. The study found no significant differences in amplitude between the 3D and 2D conditions across five occipital and parietal electrodes. However, there was a significant difference in latency of the P3 component on the Pz electrode. The analysis of PSD showed no significant differences between the two conditions, although there was a slightly higher alpha and beta activity observed in the 2D visualization. The study concluded that 3D image representation on a volumetric multiplanar display has no more sensory or cognitive load on the human brain than 2D representation, and that depth perception on a multiplanar display requires less brain activity.
该研究通过分析事件相关电位（ERPs）和功率谱密度（PSD），调查了在容积式多平面显示器上与 3D 和 2D 图像感知相关的皮质活动。在这项研究中，我们使用容积式多平面显示器来呈现视觉目标，通过 EEG 放大器记录脑信号，并在 MATLAB 上使用 EEGLAB 工具箱进行分析。研究发现，在五个枕叶和顶叶电极上，3D 和 2D 条件之间的振幅没有显著差异。然而，在 Pz 电极上 P3 成分的潜伏期有显著差异。PSD 的分析表明，两种条件之间没有显著差异，尽管在 2D 可视化中观察到稍微更高的阿尔法和贝塔活动。研究得出结论，容积式多平面显示器上的 3D 图像表示形式对人脑的感官或认知负荷并不高于 2D 表示形式，多平面显示器上的深度感知需要更少的大脑活动。
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