你的眼睛说“不”，但你的心说“是”：婴儿数量处理中的行为和心理生理指标。
Your Eyes Say "No," But Your Heart Says "Yes": Behavioral and Psychophysiological Indices in Infant Quantitative Processing.
作者信息
Brez Caitlin C, Colombo John
机构信息
The University of Kansas.
出版信息
Infancy. 2012 Jul;17(4). doi: 10.1111/j.1532-7078.2011.00094.x.
Abstract
Behavioral indices (e.g., infant looking) are predominantly used in studies of infant cognition, but psychophysiological measures have been increasingly integrated into common infant paradigms. The current study reports a result in which behavioral measures and physiological measures were both incorporated in a task designed to study infant number discrimination. Seven-month-old infants were habituated to several sets of stimuli varying in object type, but of a constant numerical value (either 2 or 3 items). Although looking time to each of the test trials revealed no differences, differences in heart-rate defined measures of attention revealed infants' ability to discriminate number. These findings imply that the inclusion of indices other than behavioral measures should become commonplace in studies of infant cognition.
摘要
行为指标（如婴儿注视）主要用于婴儿认知研究，但心理生理测量方法已越来越多地融入常见的婴儿研究范式中。本研究报告了一项结果，即在一项旨在研究婴儿数字辨别能力的任务中，同时纳入了行为测量和生理测量。7个月大的婴儿对几组不同物体类型但数量恒定（2个或3个物品）的刺激产生了习惯化。尽管对每个测试试验的注视时间没有显示出差异，但心率定义的注意力测量差异揭示了婴儿辨别数字的能力。这些发现表明，在婴儿认知研究中纳入行为测量以外的指标应该成为常态。
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