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A New Look at Infant Preference for Infant-Directed Speech

机译:面向婴儿的语音对婴儿偏好的重新审视

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Infants' preference for infant-directed speech has been reliably demonstrated throughout the first year of life using looking time measures. Though widely used in developmental science, interpretations of looking time are often rich, making assumptions about underlying mental states. In addition to being driven by preference, infant visual fixations can be caused endogenously by other factors such as arousal. We present a new methodology for measuring infant preference - the conditioned place preference paradigm (CPP), a widely used tool in animal research - that allows researchers to disentangle arousal and preference. Using CPP, infants' preference for infant-directed speech was replicated, but only when the speech was paired with a video of a social partner. We propose a new hypothesis, that preference for infant-directed speech is driven by its strong social signal value.
机译:在整个生命的第一年中,使用观察时间量度已可靠地证明了婴儿偏爱以婴儿为主的语音。尽管在发展科学中得到了广泛的应用,但对寻找时间的解释却往往很丰富,从而对潜在的心理状态做出了假设。除了受偏好驱动外,婴儿视觉注视还可能是由其他因素(例如唤醒)引起的内源性引起的。我们提出了一种测量婴儿偏好的新方法-条件位置偏好范式(CPP),这是动物研究中广泛使用的工具,它使研究人员能够消除唤醒和偏好。使用CPP,可以复制婴儿对婴儿的语音的偏爱,但前提是该语音必须与社交伙伴的视频配对。我们提出了一个新的假设,即对婴幼儿语音的偏爱是由其强烈的社会信号价值驱动的。

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