黑猩猩使用社会信息来获得他们未能创新的技能
Edwin J C van Leeuwen1,2,3, Sarah E DeTroy4, Daniel B M Haun4
1Animal Behaviour and Cognition, Department of Biology, Utrecht University, Utrecht, the Netherlands. e.j.c.vanleeuwen@uu.nl.
Nature human behaviour
|March 6, 2024
概括
黑猩猩通过获得他们无法独立创新的复杂技能来展示社会学习. 这项研究表明,黑猩猩通过观察来学习拼图盒任务,支持社会学习.
科学领域:
- 灵长类动物的行为
- 认知行为学认知行为学.
- 进化心理学 进化心理学
背景情况:
- 累积的文化进化被认为是人类成功的关键.
- 复杂的专业知识的社会学习是累积文化的先决条件.
- 黑猩猩对这种类型的社会学习能力在很大程度上未经测试.
研究的目的:
- 为了调查黑猩猩是否可以在社会上学习复杂的技能,他们无法创新.
- 测试假设,社会学习是必要的,足以让黑猩猩获得新的复杂技能.
主要方法:
- 一个连续的拼图盒任务被用来评估技能获取.
- 使用基于网络的扩散分析来追踪学习传输.
- 在三个月的时间里观察了黑猩猩.
主要成果:
- 幼稚的黑猩猩在观察其他黑猩猩之后学会了操作一个拼图盒.
- 在观察期间,黑猩猩未能独立创新技能.
- 在66只黑猩猩中,有14只通过社交学习成功获得了这种技能.
结论:
- 黑猩猩利用社会学习来获得通过独立创新无法获得的复杂技能.
- 对于黑猩猩来说,社会学习似乎是必要的,也是足够的,以获得新的复杂能力.
- 这些发现挑战了累积文化进化的概念,认为文化进化仅限于人类.
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