Physiological and behavioral responses reveal 9-month-old infants' sensitivity to pleasant touch.
Physiological and behavioral responses reveal 9-month-old infants' sensitivity to pleasant touch.
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DOI：
10.1177/0956797614527114
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发表时间：
2014-05-01
影响因子：
8.2
通讯作者：
Grossmann T
中科院分区：
文献类型：
--
作者：
Fairhurst MT;Löken L;Grossmann T
护理触摸已被证明对于人类婴儿的成长和发育至关重要。然而，我们对婴儿对愉快触摸敏感的生理和行为机制仍然知之甚少。在成年人中，无髓鞘周围神经纤维的一个亚类已被证明对中速软刷有优先反应。据推测，这种令人愉快的触摸的特权途径用于与同种个体的密切亲和互动，特别是在护理人员和婴儿之间。为了测试人类婴儿是否对愉快的触摸敏感，我们检查了 9 个月大婴儿对不同刷牙速度（慢、中、快）的唤醒（心率）和注意力（目光转移和注视持续时间）。我们的研究结果提供了生理和行为证据，表明对愉快触摸的敏感性在发育早期就出现了，因此在调节人类社会互动中发挥着重要作用。
Caregiving touch has been shown to be essential for the growth and development of human infants. However, the physiological and behavioral mechanisms that underpin infants’ sensitivity to pleasant touch are still poorly understood. In human adults, a subclass of unmyelinated peripheral nerve fibers has been shown to respond preferentially to medium-velocity soft brushing. It has been theorized that this privileged pathway for pleasant touch is used for close affiliative interactions with conspecific individuals, especially between caregivers and infants. To test whether human infants are sensitive to pleasant touch, we examined arousal (heart rate) and attentional engagement (gaze shifts and duration of looks) to varying velocities of brushing (slow, medium, and fast) in 9-month-old infants. Our results provide physiological and behavioral evidence that sensitivity to pleasant touch emerges early in development and therefore plays an important role in regulating human social interactions.
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