婴儿表现出对父母拥抱特有的生理反应。
Infants Show Physiological Responses Specific to Parental Hugs.
作者信息
Yoshida Sachine, Kawahara Yoshihiro, Sasatani Takuya, Kiyono Ken, Kobayashi Yo, Funato Hiromasa
机构信息
Department of Anatomy, Faculty of Medicine, Toho University, Ota-ku, Tokyo 143-8540, Japan; PRESTO, Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan.
Graduate School of Engineering, The University of Tokyo, Bunkyo-Ku, Tokyo 113-8656, Japan; Graduate School of Information Science and Technology, The University of Tokyo, Bunkyo-Ku, Tokyo 113-8656, Japan.
出版信息
iScience. 2020 Apr 24;23(4):100996. doi: 10.1016/j.isci.2020.100996. Epub 2020 Apr 6.
Caregivers hug their infants to express affection and joy. However, it remains unknown how infants react to being hugged. Here we examined heart rate responses in first-year infants during a hug, hold, and tight hug from parents. Infants older than four months showed an increased R-R interval (RRI) during a hug, indicating reduced heart rates and pronounced parasympathetic activity. Few head movements predicted a higher RRI increase in infants during a parental hug compared with that during a hold and tight hug. Infants did not show an increased RRI during a hug from a female stranger. Infants younger than four months did not show RRI increase during parental hug but exhibited a decreased RRI correlated with contact pressure. Parents showed an increased RRI during hugging their infants. These results suggest the parent-infant hug underlies the parent-infant bonding and psychophysiological development of infants.
照顾者会拥抱他们的婴儿来表达喜爱和喜悦。然而，婴儿对被拥抱会有怎样的反应仍然未知。在此，我们研究了一岁婴儿在接受父母拥抱、怀抱和紧紧拥抱时的心率反应。四个月以上的婴儿在被拥抱时显示出R-R间期（RRI）增加，这表明心率降低且副交感神经活动显著。与怀抱和紧紧拥抱相比，在父母拥抱期间，很少的头部动作预示着婴儿的RRI增加幅度更大。婴儿在接受女性陌生人拥抱时并未显示出RRI增加。四个月以下的婴儿在父母拥抱期间未显示出RRI增加，但表现出与接触压力相关的RRI降低。父母在拥抱婴儿时显示出RRI增加。这些结果表明，亲子拥抱是亲子关系建立以及婴儿心理生理发展的基础。
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