身体负荷减少了虚拟手错觉中主体感和所有权的同步效应。
Physical load reduces synchrony effects on agency and ownership in the virtual hand illusion.
机构信息
Key Laboratory of Personality and Cognition, Faculty of Psychological Science, Southwest University, Beibei, Chongqing, China.
TU Dresden, Faculty of Psychology & University Neuropsychology Center, Faculty of Medicine, Cognitive Neurophysiology, Germany; Department of Psychology, Shandong Normal University, Jinan, China.
出版信息
Conscious Cogn. 2021 Nov;96:103227. doi: 10.1016/j.concog.2021.103227. Epub 2021 Oct 28.
We used the virtual hand illusion paradigm to investigate the effect of physical load on perceived agency and body ownership. Participants pulled a resistance band that required exerting a force of 1 N, 10 N, or 20 N while operating a virtual hand that moved in synchronous or out of sync with their own hand. Explicit agency and ownership ratings were obtained, in addition to intentional binding and skin conductance as implicit measures of agency and ownership. Physical load increased perceived subjective load but showed no main effect, while synchrony effects were found on all agency and ownership measures. Interestingly, load did interact with synchrony in implicit agency and explicit ownership, by reducing and eliminating synchrony effects as movement synchrony was reduced with higher physical load. Furthermore, consistent with previous claims, implicit agency increased with perceived effort associated with higher physical load.
我们使用虚拟手错觉范式来研究物理负荷对感知主体和身体所有权的影响。参与者在操作一个与自己的手同步或不同步移动的虚拟手时，需要施加 1N、10N 或 20N 的力来拉一根阻力带。除了作为主体和所有权的内隐测量的意图绑定和皮肤电导外，还获得了明确的主体和所有权评分。物理负荷增加了感知的主观负荷，但没有产生主要影响，而同步性在所有主体和所有权测量中都有影响。有趣的是，在隐性主体和显性所有权中，负荷与同步性存在相互作用，随着物理负荷的增加，运动同步性降低，同步性的影响也随之降低甚至消除。此外，与之前的说法一致，随着与较高物理负荷相关的感知努力的增加，隐性主体也随之增加。
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