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首页> 外文期刊>Philosophical Transactions of the Royal Society of London, Series B. Biological Sciences >Brain stimulation to left prefrontal cortex modulates attentional orienting to gaze cues
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Brain stimulation to left prefrontal cortex modulates attentional orienting to gaze cues

机译：脑刺激到左前额叶皮质调节注意力定向为凝视线索

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摘要

In social interactions, we rely on non-verbal cues like gaze direction to understand the behaviour of others. Howwe react to these cues is determined by the degree to which we believe that they originate from an entity with a mind capable of having internal states and showing intentional behaviour, a process called mind perception. While prior work has established a set of neural regions linked to mind perception, research has just begun to examine how mind perception affects social-cognitive mechanisms like gaze processing on a neuronal level. In the current experiment, participants performed a social attention task (i. e. attentional orienting to gaze cues) with either a human or a robot agent (i.e. manipulation of mind perception) while transcranial direct current stimulation (tDCS) was applied to prefrontal and temporo-parietal brain areas. The results show that temporo-parietal stimulation did not modulate mechanisms of social attention, neither in response to the human nor in response to the robot agent, whereas prefrontal stimulation enhanced attentional orienting in response to human gaze cues and attenuated attentional orienting in response to robot gaze cues. The findings suggest that mind perception modulates low-level mechanisms of social cognition via prefrontal structures, and that a certain degree of mind perception is essential in order for prefrontal stimulation to affect mechanisms of social attention.
机译：在社交互动中，我们依靠非口头线索，如凝视方向来了解他人的行为。如何对这些提示作出反应是由我们认为它们来自一个能够拥有内部州并表现出故意行为的思想来源的程度决定，称为心灵感知的过程。虽然事先工作已经建立了一套与心灵感知相关的神经区域，但研究刚刚开始研究心理认知机制如何影响像神经元水平的凝视处理。在目前的实验中，与人类或机器人剂（即脑力感知的操纵）进行了社会注意任务（即注意到的凝视线），同时将经颅直接电流刺激（TDCs）应用于前额外和颞旁脑区。结果表明，颞下刺激没有调节社会关注的机制，既不响应人类也不应对机器人剂，而预称刺激响应人凝息线索和减毒引起引起的引起的引起的提高取向响应于机器人凝视线索。调查结果表明，心灵感知通过前额叶结构调制社会认知的低级机制，并且某种程度的心灵感知是必不可少的，以便对社会关注机制影响社会关注机制。

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