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首页> 美国卫生研究院文献>Brain Sciences >Eye Fixation-Related Potentials during Visual Search on Acquaintance and Newly-Learned Faces
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Eye Fixation-Related Potentials during Visual Search on Acquaintance and Newly-Learned Faces

机译：在熟人和新学习面的视觉搜索期间眼固定相关的潜力

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摘要

Searching familiar faces in the crowd may involve stimulus-driven attention by emotional significance, together with goal-directed attention due to task-relevant needs. The present study investigated the effect of familiarity on attentional processes by exploring eye fixation-related potentials (EFRPs) and eye gazes when humans searched for, among other distracting faces, either an acquaintance’s face or a newly-learned face. Task performance and gaze behavior were indistinguishable for identifying either faces. However, from the EFRP analysis, after a P300 component for successful search of target faces, we found greater deflections of right parietal late positive potentials in response to newly-learned faces than acquaintance’s faces, indicating more involvement of goal-directed attention in processing newly-learned faces. In addition, we found greater occipital negativity elicited by acquaintance’s faces, reflecting emotional responses to significant stimuli. These results may suggest that finding a familiar face in the crowd would involve lower goal-directed attention and elicit more emotional responses.
机译：在人群中寻找熟悉的面孔可能涉及通过情绪意义涉及刺激引导的注意力，以及由于任务相关的需求而导致的目标导向。本研究调查了熟悉在人类在其他分散的面孔中探索了眼固定相关的电位（EFRPS）和眼睛凝视的注意力过程的影响，熟人的脸部或新学习的脸。任务性能和凝视行为对于识别任何面孔而无法区分。然而，从EFRP分析中，在成功搜索目标面的P300分析之后，我们发现对新学习的面孔而不是熟人的面孔，发现了右边形积极积极潜力的更大偏转，表明目标导向的注意力在新的过程中更累得 - 脸上的面孔。此外，我们发现了熟人的面孔引发的更大的枕骨消极情绪，反映了对显着刺激的情绪反应。这些结果可能表明，在人群中寻找熟悉的面孔将涉及较低的目标导向的关注和引出更多的情绪反应。

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