催产素系统中的遗传变异与人类婴儿之间亲情的个体差异有关
Tobias Grossmann1, Merle Fairhurst2
1Department of Psychology, University of Virginia, USA.
Psychoneuroendocrinology
|October 19, 2023
概括
催产素系统中的遗传变异会影响婴儿的亲情. 特定的CD38基因变异与婴儿相关.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 遗传学 遗传学是一种遗传学.
背景情况:
- 愉快的触摸对婴儿的社会发展,情感联系和护理人员互动至关重要.
- 假设催产素系统能够调解触摸对婴儿发育的积极影响.
- 关于催产素系统在婴儿对愉快触摸的反应中的作用的了解有限.
研究的目的:
- 研究氧化素系统中的遗传变异与婴儿拥抱之间的关联.
- 将婴儿的拥抱作为父母报告的行为来操作,表明对照顾者的触摸的渴望和享受.
主要方法:
- 在82名婴儿中使用CD38基因 (rs3796863) 的多态化分析了催产素系统中的遗传变异性.
- 利用家长报告的问卷来评估婴儿的拥抱,反映触摸的动机和享受.
主要成果:
- 一种特定的CD38基因型,以前与成年人中催产素释放增加有关,与较高的婴儿拥抱感有关.
- 相反,与自闭症谱系障碍 (ASD) 相关的CD38基因型和成年人中减少的催产素释放与婴儿拥抱程度较低相关.
- 这些发现表明,催产素系统中的遗传变异与婴儿寻求触摸行为的个体差异之间存在联系.
结论:
- 催产素系统中的遗传变异,特别是CD38基因中的遗传变异,与婴儿从早期发育开始的拥抱程度的个体差异有关.
- 这项研究为令人愉快的触摸感知和婴儿时期的社会联系的神经激素基础提供了新的见解.
- 这些发现支持了催产素系统在早期人类发育期间调解触摸的社会和情感益处方面发挥重要作用的假设.
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