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The neural processing of fearful faces without attention and consciousness: an event-related potential study
Authors:Wang Lili  Fu Shimin  Feng Chunliang  Luo Wenbo  Zhu Xiangru  Luo Yue-jia
Affiliation:a National Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China
b Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China
c Department of Psychology, Tsinghua University, Beijing 100084, China
d Laboratory of Cognition and Mental Health, Chongqing University of Arts and Sciences, Chongqing 402160, China
e Department of Psychology, Henan University, Henan 475001, China
Abstract:To investigate whether the non-conscious processing of fearful faces exist in unattended condition, event-related potentials (ERPs) were recorded in a facial expression detection task. Participants were asked to discriminate the facial expressions (fearful or neutral) at the attended location. Unattended faces were associated with a response that was either congruent or in conflict with the response to the attended face. ERP results showed that the trials with response conflict between attended and unattended faces enhanced the amplitude of the P3 component when the neutral face was presented at attended location and the fearful face was presented at the unattended location. Our findings imply that the non-conscious fearful faces can be processed in the unattended condition.
Keywords:Emotion   Non-conscious   Attention   Faces   Event-related potentials
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