Department of Psychology and Behavioral Sciences, Xixi Campus, Zhejiang University, No. 148, Tianmushan Road, Hangzhou 310028, China.
Department of Psychology and Behavioral Sciences, Xixi Campus, Zhejiang University, No. 148, Tianmushan Road, Hangzhou 310028, China.
Neuropsychologia. 2019 Feb 18;124:151-160. doi: 10.1016/j.neuropsychologia.2018.12.016. Epub 2018 Dec 21.
When face was inverted, dynamic gaze cues could still effectively direct attention despite the disruption of configural face processing, but the static gaze cues could not. The present study investigated the role of the motion cue in the dynamic Gaze-Cueing Effect (GCE). With schematic and real faces, we employed the gaze-cueing paradigm to examine the differences among three kinds of cues (static gaze cue, dynamic gaze cue and motion cue) based on behavioral results and event-related potentials. Behavioral results revealed significant GCE in all conditions. In the schematic face group, the motion cue (two symmetrical dots shifting slightly to the side) induced a significantly smaller GCE than the dynamic gaze cues (two symmetrical dots moving within a rounded circle), while in the real face group, the motion cue (that is, the inverted-face gaze cue) remained a strong GCE compared with other conditions. With regard to the ERP results, we found the early directing attention negativity (EDAN), which was sensitive to voluntary cues (e.g. arrow cue) rather than gaze cue, in the schematic motion cue condition, but not in the inverted-face gaze cue condition. We supposed that the motion cue (real face) could activate the configural face processing even when the face is inverted. This finding supported that EDAN reflected a cue-triggered attention shift.
当面部被倒置时，尽管会破坏面部整体处理，但动态注视线索仍能有效地引导注意，而静态注视线索则不能。本研究探讨了运动线索在动态注视线索效应（GCE）中的作用。通过使用示意图和真实面孔，我们采用了注视线索范式，根据行为结果和事件相关电位（ERP）来检验三种线索（静态注视线索、动态注视线索和运动线索）之间的差异。行为结果表明，在所有条件下都存在显著的 GCE。在示意图面孔组中，运动线索（两个对称的点稍微向侧面移动）引起的 GCE 明显小于动态注视线索（两个对称的点在圆形内移动），而在真实面孔组中，运动线索（即倒置面孔的注视线索）与其他条件相比仍然具有很强的 GCE。关于 ERP 结果，我们发现在示意图运动线索条件下存在早期定向注意负波（EDAN），该波对自愿线索（例如箭头线索）敏感，而对注视线索不敏感，但在倒置面孔的注视线索条件下则不存在。我们假设，即使面部被倒置，运动线索（真实面孔）也能激活整体面部处理。这一发现支持了 EDAN 反映了线索触发的注意力转移。
