不同呈现方式下早期视觉过程的比较分析:现实生活、虚拟现实和平面物体诱发的事件相关电位。

IF 2.5 3区 医学 Q2 BEHAVIORAL SCIENCES
Joanna Kisker, Marike Johnsdorf, Merle Sagehorn, Thomas Hofmann, Thomas Gruber, Benjamin Schöne
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引用次数: 0

摘要

现实生活中物体的特征,如双眼深度,可能会产生超越平面图片作为实验线索所能揭示的视觉过程。虽然虚拟现实(VR)被用于在实验环境中近似现实生活中的特征,但这种方法从根本上取决于不同的模式是否以相似的方式处理。为了研究早期视觉处理的哪个阶段依赖于模态特异性特征,我们的研究比较了对2D (PC)、VR和现实生活(RL)物体的电生理反应。为此,参与者在其中一种模式中被动地探索抽象物体,然后在延迟匹配样本任务中主动探索。我们的结果表明,所有的模式基本上产生可比的视觉过程。值得注意的是,我们的RL设置诱发了与已建立的ERP形态相对应的P1-N1-P2复合物。然而,在现实生活中的视觉处理过程中,ERP的反应幅度与VR的反应比PC的反应更相似。说明立体视觉对早期加工阶段的影响,P1只区分PC和RL,而N1区分PC和其他两种情况。相比之下,P2将VR与其他两种情况区分开来,这可能表明立体视觉疲劳。对α波段反应的补充分析显示,与RL相比,PC和VR反应的注意需求更高,排除了基于erp的结果完全由注意效应驱动的可能性。尽管在所有模式下都可能发生类似的基本过程,但我们的研究建议,如果过程的大小是相关的,则使用VR,强调其接近现实生活视觉处理的价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparative analysis of early visual processes across presentation modalities: The event-related potential evoked by real-life, virtual reality, and planar objects.

Characteristics of real-life objects, such as binocular depth, potentially yield visual processes going beyond what examinations of planar pictures as experimental cues can reveal. While virtual reality (VR) is used to approximate real-life features in experimental settings, this approach fundamentally hinges on whether the distinct modalities are processed in a similar way. To examine which stages of early visual processing depend on modality-specific characteristics, our study compares the electrophysiological responses to 2D (PC), VR, and real-life (RL) objects. To this end, participants passively explored abstract objects in one of these modalities followed by active exploration in a delayed matching-to-sample-task. Our results indicate that all modalities fundamentally yield comparable visual processes. Remarkably, our RL setup evoked the P1-N1-P2 complex corresponding to the well-established ERP morphology. However, the magnitude of the ERP response during real-life visual processing was more comparable to the response to VR than to PC. Indicating effects of stereoscopy on the earliest processing stages, the P1 differentiated only between PC and RL, and the N1 differentiated PC from both other conditions. In contrast, the P2 distinguished VR from both other conditions, which potentially indicated stereoscopic visual fatigue. Complementary analysis of the alpha-band response revealed higher attentional demands in response to PC and VR compared with RL, ruling out that the ERP-based results are exclusively driven by attentional effects. Whereas comparable fundamental processes are likely occurring under all modalities, our study advises the use of VR if the processes' magnitude is of relevance, emphasizing its value to approximate real-life visual processing.

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来源期刊
CiteScore
5.00
自引率
3.40%
发文量
64
审稿时长
6-12 weeks
期刊介绍: Cognitive, Affective, & Behavioral Neuroscience (CABN) offers theoretical, review, and primary research articles on behavior and brain processes in humans. Coverage includes normal function as well as patients with injuries or processes that influence brain function: neurological disorders, including both healthy and disordered aging; and psychiatric disorders such as schizophrenia and depression. CABN is the leading vehicle for strongly psychologically motivated studies of brain–behavior relationships, through the presentation of papers that integrate psychological theory and the conduct and interpretation of the neuroscientific data. The range of topics includes perception, attention, memory, language, problem solving, reasoning, and decision-making; emotional processes, motivation, reward prediction, and affective states; and individual differences in relevant domains, including personality. Cognitive, Affective, & Behavioral Neuroscience is a publication of the Psychonomic Society.
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