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Electrophysiological evidence of facial inversion with rapid serial visual presentation

机译:快速连续视觉呈现面部反转的电生理证据

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摘要

Using measurements of event-related potentials (ERPs) during a facial recognition task, we aimed to investigate the facial inversion effect and the role of time-based attention in processing upright and inverted faces. We presented upright and inverted faces at the T2 (target 2) position using a rapid serial visual presentation paradigm. Our results indicate that the N170 component shows the usual face inversion effect (FIE), in which inverted faces elicit larger N170 amplitudes and a longer elicit N170 latency. We also found that upright faces elicit larger P1 amplitudes than inverted faces over the left hemisphere. This study indicates that the N170 and P3, but not the P1, components are modulated by time-based attention. In addition, we found that the N170 amplitude was modulated by an attentional blink (AB) based on behavioral data. These results suggest that the disruption of facial configuration processing caused by inverted faces is relatively independent of attentional resources. (C) 2012 Elsevier B.V. All rights reserved.
机译:通过在面部识别任务中使用事件相关电位(ERP)的测量,我们旨在研究面部倒立效果以及基于时间的注意力在处理直立和倒立面部中的作用。我们使用快速的串行视觉呈现范例在T2(目标2)位置呈现了直立的面孔和倒立的面孔。我们的结果表明,N170分量显示出通常的人脸倒置效果(FIE),其中倒置的人脸会引起较大的N170幅度,而导致较长的N170等待时间。我们还发现,在左半球上,直立的面孔比倒立的面孔引起更大的P1振幅。这项研究表明,N170和P3组件(而非P1组件)是通过基于时间的注意力进行调制的。此外,我们发现N170振幅是根据行为数据通过注意眨眼(AB)进行调制的。这些结果表明,由颠倒的面部造成的面部轮廓处理中断相对独立于注意力资源。 (C)2012 Elsevier B.V.保留所有权利。

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