Visual exploration strategies and the development of infants' facial emotion discrimination.
Visual exploration strategies and the development of infants' facial emotion discrimination.
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DOI：
10.3389/fpsyg.2010.00180
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发表时间：
2010
影响因子：
3.8
通讯作者：
Tottenham N
中科院分区：
文献类型：
--
作者：
Amso D;Fitzgerald M;Davidow J;Gilhooly T;Tottenham N
我们研究了视觉探索策略在婴儿辨别面部情绪表达中的作用。28个6至11个月奥尔兹习惯于交替模型构成相同的表达（快乐N = 14/恐惧N = 14）的眼睛凝视数据收集与角膜反射眼动仪。凝视行为分析表明，眼睛和嘴的凝视时间是相似的，与基于这些区域所对向的区域的预期一致，并且呈负相关。这种模式没有不同的年龄，性别，或习惯条件的功能。有没有posthabitation性能差异，作为一个功能的年龄组（6至8个月与9至11个月的奥尔兹）。当模型从习惯到测试保持不变时，只有习惯于快乐面孔的婴儿才会更长时间地注视新的情绪（恐惧）。我们发现，这种表现与注视任何一个面部区域的比例之间没有可靠的相关性。与以前的工作一致，习惯于恐惧面孔的小组没有表现出可靠的posthabituation新奇偏好。凝视行为的个体差异揭示了这一发现。更大比例的凝视与对新情绪（快乐）的偏好正相关。这些数据表明，在其他对象类，视觉探索策略是一个重要的代理商的变化，在婴儿的能力，了解情绪表达。
We examined the role of visual exploration strategies in infants’ discrimination between facial emotion expressions. Twenty-eight 6- to 11-month olds were habituated to alternating models posing the same expression (happy N = 14/fearful N = 14) as eye gaze data were collected with a corneal reflection eye tracker. Gaze behavior analyses indicated that duration of gaze to the eyes and mouth was similar, consistent with what would be expected based on area subtended by those regions, and negatively correlated. This pattern did not differ as a function of age, sex, or habituation condition. There were no posthabituation performance differences as a function of age group (6- to 8-month- versus 9- to 11-month olds). Only infants habituated to happy faces showed longer looking at the novel emotion (fear) when the model was held constant from habituation to test. We found no reliable correlation between this performance and proportion of gaze directed at any one facial region. Consistent with previous work, the group habituated to fear faces showed no reliable posthabituation novelty preference. Individual differences in gaze behavior shed light on this finding. Greater proportion of gaze directed at the eyes correlated positively with preference for the novel emotion (happy). These data suggest that, as in other object classes, visual exploration strategies are an important agent of change in infants’ capacity to learn about emotion expressions.
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