Different underlying mechanisms for face emotion and gender processing during feature-selective attention: Evidence from event-related potential studies

Different underlying mechanisms for face emotion and gender processing during feature-selective attention: Evidence from event-related potential studies
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特征选择性注意过程中面部情绪和性别处理的不同潜在机制:来自事件相关电位研究的证据

DOI:
10.1016/j.neuropsychologia.2017.03.017
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发表时间:
2017-05
期刊:
影响因子:
2.6
通讯作者:
Sun Pei
Sun Pei
中科院分区:
心理学3区
文献类型:
--
作者:
Wang Hailing;Ip Chengteng;Fu Shimin;Sun Pei

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面部识别理论表明,我们的大脑分别处理不变的(例如性别)和可变的(例如情绪)面部尺寸。为了研究这两个维度是否在不同的时间过程中得到处理,我们分析了在特征选择性注意任务期间由面部性别和情绪引起的选择负性(SN,反映注意调节的事件相关潜在成分)。实验 1(二维任务)中,参与者被指示关注面部情感和性别属性的组合,而实验 2(单维任务)中,参与者则关注面部情感或性别。结果显示,在两个实验中,面部情绪并没有引起显着的 SN,而面部性别始终产生显着的 SN。这些结果表明,面部性别对特征选择性注意力更加敏感,并且面部情感在 SN 上相对自动地编码,这意味着对于不变和可变的面部尺寸存在不同的底层处理机制。
Face recognition theories suggest that our brains process invariant (e.g., gender) and changeable (e.g., emotion) facial dimensions separately. To investigate whether these two dimensions are processed in different time courses, we analyzed the selection negativity (SN, an event-related potential component reflecting attentional modulation) elicited by face gender and emotion during a feature selective attention task. Participants were instructed to attend to a combination of face emotion and gender attributes in Experiment 1 (bi-dimensional task) and to either face emotion or gender in Experiment 2 (uni-dimensional task). The results revealed that face emotion did not elicit a substantial SN, whereas face gender consistently generated a substantial SN in both experiments. These results suggest that face gender is more sensitive to feature-selective attention and that face emotion is encoded relatively automatically on SN, implying the existence of different underlying processing mechanisms for invariant and changeable facial dimensions.
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