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首页> 外文期刊>Nature reviews Cancer >The mind minds minds: The effect of intentional stance on the neural encoding of joint attention
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The mind minds minds: The effect of intentional stance on the neural encoding of joint attention

机译：头脑思想思想：故意立场对关注神经编码的影响

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Recent neuroimaging studies have observed that the neural processing of social cues from a virtual reality character appears to be affected by "intentional stance" (i.e., attributing mental states, agency, and "humanness"). However, this effect could also be explained by individual differences or perceptual effects resulting from the design of these studies. The current study used a new design that measured centro-parietal P250, P350, and N170 event-related potentials (ERPs) in 20 healthy adults while they initiated gaze-related joint attention with a virtual character ("Alan") in two conditions. In one condition, they were told that Alan was controlled by a human; in the other, they were told that he was controlled by a computer. When participants believed Alan was human, his congruent gaze shifts, which resulted in joint attention, generated significantly larger P250 ERPs than his incongruent gaze shifts. In contrast, his incongruent gaze shifts triggered significantly larger increases in P350 ERPs than his congruent gaze shifts. These findings support previous studies suggesting that intentional stance affects the neural processing of social cues from a virtual character. The outcomes also suggest the use of the P250 and P350 ERPs as objective indices of social engagement during the design of socially approachable robots and virtual agents.
机译：最近的神经影像学研究发现，来自虚拟现实性格的社会线索的神经处理似乎受到“故意立场”的影响（即归因于精神状态，机构和“人文”）。然而，这种效果也可以通过这些研究的设计产生的个体差异或感知效应来解释。目前的研究使用了一种新的设计，该设计在20个健康成年人中测量了Entro-Paretal P250，P350和N170事件相关电位（ERP），同时在两个条件下启动了与虚拟字符（“ALAN”）的凝视相关的联合关注。在一个条件下，他们被告知艾伦被人类控制;另一方面，他们被告知他被计算机控制。当参与者认为Alan是人类时，他的一致性凝视变化，导致关注的关注，产生比他的不一致凝视变化更大的P250 ERP。相比之下，他的不一致凝视变化在P350 ERP中的增加显着较大，而不是他的全等凝视变化。这些调查结果支持以前的研究表明，故意立场影响了虚拟性格的社会线索的神经处理。结果还建议使用P250和P350 ERP作为客观的社会参与的客观指标，在社会可接近的机器人和虚拟代理商的设计期间。

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