社会地位塑造了母亲对 rhesus macaque 婴儿在生命第一年的风格
Natalie R Pilgeram1, Zsofia A Kovacs-Balint2, Maria Alvarado2
1Department of Psychology, Emory University, Atlanta, Georgia, USA.
Developmental psychobiology
|February 17, 2026
概括
母亲等级会影响 rhesus macaque 幼儿的发育. 低级别的母亲提供较少的护理,影响婴儿的社会行为和1岁时的游戏启动.
科学领域:
- 灵长类的社会行为.
- 发展心理学是发展心理学.
- 动物行为 动物行为
背景情况:
- rhesus macaque 的社会环境是由母系层次结构中的母系等级决定的.
- 下属的雌性子经历更高的心理社会压力,更注重后代.
- 母亲地位对婴儿发育和差异出现的影响程度尚不清楚.
研究的目的:
- 为了研究母亲的地位在雄性婴儿 rhesus macaques 从出生到一年的发展中的作用.
- 为了确定预测一岁时社会行为的早期生活变量.
主要方法:
- 从出生到一年的17只雄性婴儿 rhesus macaques的纵向研究.
- 观察婴儿的近距离和母亲的怀孕时间.
- 评估母亲护理敏感度在第一年下降.
- 一年内社会游戏启动的分析.
主要成果:
- 低级别的母亲的婴儿与高级别的婴儿相比,花费的时间更少,靠近和被他们的携带.
- 在一年中,母亲护理敏感度的下降在低级别的中更为.
- 早期母亲的摇篮持续时间对一岁婴儿的社交游戏启动有负面预测.
结论:
- 母亲等级显著影响 rhesus macaque 早期发育,影响母亲的照顾和婴儿的社会互动.
- 早期的母亲照顾,特别是摇篮,是以后社会游戏行为的预测因素.
- 诸如后代的性别,物种和社会环境的稳定性等因素对于理解这些发育轨迹至关重要.
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