Remembering who was where: A happy expression advantage for face identity-location binding in working memory.
Remembering who was where: A happy expression advantage for face identity-location binding in working memory.
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DOI：
10.1037/xlm0000522
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发表时间：
2018-09
期刊：
影响因子：
--
通讯作者：
Jackson MC
中科院分区：
文献类型：
--
作者：
Spotorno S;Evans M;Jackson MC
众所周知，当面孔显示威胁性和非威胁性表情时，面孔识别的视觉工作记忆（WM）会增强。在社会交往中，将人的身份与WM中的位置信息联系起来以记住谁在哪里也很重要，但我们缺乏对情绪表达如何影响这一点的清晰理解。在这里，我们进行了两个触摸屏实验，以调查如何愤怒与高兴的表情显示在编码影响的精度与参与者重新定位一个单一的中立的测试脸到其原始位置。操纵维持间隔（实验2; 1秒、3秒、6秒）以评估结合的耐久性。在这两个实验中，重新定位的准确性增强时，面对高兴与愤怒，这种快乐的好处忍受从1秒到6秒的维护间隔。编码过程中的眼动测量显示，没有令人信服的眼动行为的影响，可以很容易地解释快乐的好处。然而，准确性总体上得到了提高，并且对于最后一个，最近的面部固定在编码时，快乐的好处最强。在快乐表情出现的情况下，人们对“谁在哪里”的持久约束力得到了改善，这可能反映了亲社会导航的重要性。
It is well established that visual working memory (WM) for face identity is enhanced when faces display threatening versus nonthreatening expressions. During social interaction, it is also important to bind person identity with location information in WM to remember who was where, but we lack a clear understanding of how emotional expression influences this. Here, we conducted two touchscreen experiments to investigate how angry versus happy expressions displayed at encoding influenced the precision with which participants relocated a single neutral test face to its original position. Maintenance interval was manipulated (Experiment 2; 1 s, 3 s, 6 s) to assess durability of binding. In both experiments, relocation accuracy was enhanced when faces were happy versus angry, and this happy benefit endured from 1-s to 6-s maintenance interval. Eye movement measures during encoding showed no convincing effects of oculomotor behavior that could readily explain the happy benefit. However, accuracy in general was improved, and the happy benefit was strongest for the last, most recent face fixated at encoding. Improved, durable binding of who was where in the presence of a happy expression may reflect the importance of prosocial navigation.
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