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首页> 外文期刊>Journal of vision >Reduced Interference Between Identity and Expression Processing With Dynamic Faces
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Reduced Interference Between Identity and Expression Processing With Dynamic Faces

机译：减少动态面孔在身份和表情处理之间的干扰

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Facial motion cues facilitate identity and expression processing (Pilz et al., 2006). To explore the possible basis of this dynamic advantage, we used Garnera??s selective attention paradigm (Garner, 1976) to determine whether adding dynamic cues alters the way that identity and expression processing interact, and whether this varies depending on the age of the viewer. Adults (ages 18-26), adolescents (ages 12-13), and children (ages 6-7) made speeded judgments of the expression (or identity) of static and dynamic faces while identity (or expression) was either held constant (baseline block) or varied (orthogonal block). Accuracy was high (90%) for all three age groups. We calculated corrected Garner interference scores by determining the percent change from baseline RT seen in the orthogonal block. A 2 (Task: Expression, Identity) X 2 (Mode: Static, Dynamic) X 3 (Age Group: Adult, Adolescent, Child) ANOVA conducted on these scores revealed that interference was stronger in the Expression than in the Identity task, and with static compared to dynamic faces. However, follow-up tests conducted on the significant Task X Mode interaction showed that, while the addition of dynamic cues led to a significant reduction in Garner interference for both tasks, the effect was much more dramatic for the Expression task. Although young children took significantly longer than adolescents or adults to make their judgments, no age-related differences in Garner interference were observed. Reductions in interference after the introduction of dynamic cues might arise if viewers focus more selectively on specific facial features, or if they integrate multiple cues more effectively, when viewing moving as opposed to static faces. Both of these ideas hold merit and, indeed, it is possible that individual differences in processing style determine which strategy a viewer will adopt. These results highlight the importance of using naturalistic, dynamic stimuli in studies of face processing.
机译：面部动作提示有助于身份和表达过程（Pilz等，2006）。为了探索这种动态优势的可能基础，我们使用了Garnera的选择性注意范式（Garner，1976）来确定添加动态提示是否会改变身份和表达过程相互作用的方式，以及是否根据年龄的不同而变化。观众。成人（18-26岁），青少年（12-13岁）和儿童（6-7岁）可以快速判断静态和动态面孔的表情（或身份），而身份（或表情）则保持不变（基线块）或变化（正交块）。三个年龄组的准确性均很高（> 90％）。我们通过确定正交块中基线RT的百分比变化来计算校正的Garner干扰评分。对这些分数进行的A 2（任务：表达，身份）X 2（模式：静态，动态）X 3（年龄组：成人，青少年，儿童）ANOVA显示，表达方面的干扰比身份任务中的干扰要强，并且与静态人脸相比，动态人脸。但是，对重要的Task X Mode交互进行的后续测试表明，虽然增加了动态提示可以显着减少这两个任务的Garner干扰，但对于Expression任务，其影响要大得多。尽管年幼的孩子做出判断的时间比青少年或成人长得多，但未发现与年龄相关的Garner干扰差异。如果观看者相对于静止的面孔观看运动时更动态地将注意力集中在特定的面部特征上，或者如果他们更有效地整合了多个线索，则可能会减少引入动态线索之后的干扰。这两种想法都有优点，而且，实际上，处理方式的个体差异可能会决定观众采用哪种策略。这些结果突出了在面部处理研究中使用自然，动态刺激的重要性。

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