Emotional facial expression detection in the peripheral visual field.
Emotional facial expression detection in the peripheral visual field.
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DOI：
10.1371/journal.pone.0021584
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发表时间：
2011
期刊：
影响因子：
3.7
通讯作者：
Krolak-Salmon P
中科院分区：
文献类型：
--
作者：
Bayle DJ;Schoendorff B;Hénaff MA;Krolak-Salmon P
在日常生活中，危险的信号，如厌恶的面部表情，通常出现在周边视野。虽然中央视觉中的面部表情处理已被广泛研究，但周边视觉中的这种处理却研究得很少。使用行为测量，我们探索了人类检测恐惧和厌恶与中性表情的能力，并将其与在高达40°的偏心率下区分性别的能力进行了比较。与性别相比，对情绪检测的反应更快。情绪被检测到从恐惧的脸高达40°的偏心。我们的研究结果表明，人类能够检测到面部表情的远周边高达40°的偏心。与性别处理相比，随着偏心率的增加，情感的优势越来越大，这可能反映了大细胞视觉通路在面部表情处理中的重要意义。这种优势可能表明，相对于性别识别，情绪检测受视觉敏锐度和周边面部内拥挤的影响较小。这些结果与特定的和自动处理的信息，这可能会驱动注意这些消息，并允许快速的行为反应。
In everyday life, signals of danger, such as aversive facial expressions, usually appear in the peripheral visual field. Although facial expression processing in central vision has been extensively studied, this processing in peripheral vision has been poorly studied. Using behavioral measures, we explored the human ability to detect fear and disgust vs. neutral expressions and compared it to the ability to discriminate between genders at eccentricities up to 40°. Responses were faster for the detection of emotion compared to gender. Emotion was detected from fearful faces up to 40° of eccentricity. Our results demonstrate the human ability to detect facial expressions presented in the far periphery up to 40° of eccentricity. The increasing advantage of emotion compared to gender processing with increasing eccentricity might reflect a major implication of the magnocellular visual pathway in facial expression processing. This advantage may suggest that emotion detection, relative to gender identification, is less impacted by visual acuity and within-face crowding in the periphery. These results are consistent with specific and automatic processing of danger-related information, which may drive attention to those messages and allow for a fast behavioral reaction.
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