遭受和观察排斥对施动感和身体拥有感的影响

The Impact of Self-Experienced and Observed Ostracism on the Sense of Agency and Ownership

摘要: 结合虚拟抛球游戏范式和虚拟手错觉范式，要求被试分别作为社会排斥的遭受者，或者观察者，操纵了包容和排斥情境，以及抛球的虚拟手的动作和被试真实手动作的同步性，探究不同的角色、包容和排斥、以及同步性，如何影响被试对于虚拟手的施动感和身体拥有感。结果发现，作为排斥遭受者，社会情境和同步性的交互作用显著，社会排斥显著降低了被试的施动感和身体拥有感；而作为观察者，观察社会排斥并未影响被试的施动感和身体拥有感。研究揭示了不同社会交互情境对于自我身体意识的影响。

Abstract: Combining the virtual cyberball game paradigm and virtual hand illusion paradigm, the participants were asked to act as sufferers of ostracism, or observers, respectively, and manipulated the inclusion and exclusion scenarios, as well as the synchronization between the movements of the virtual hand that threw the ball and the participants’ real hand movements, to explore how the different roles, the inclusion and exclusion, and the synchronization, affected the participants’ sense of agency and ownership of the virtual hand. Results found that, as a sufferer of ostracism, the interaction between social context and synchronicity was significant, and social ostracism significantly reduced participants’ sense of agency and ownership, whereas, as an observer, observing ostracism did not affect participants’ sense of agency and ownership. The study reveals the effects of different social interaction contexts on self-body awareness.