功能性形态整合与人类头骨中的养生物力学有关
Hyunwoo Jung1, David Strait2, Campbell Rolian3
1Department of Anatomy, College of Graduate Studies, Midwestern University, Glendale, AZ 85308, USA.
Journal of human evolution
|August 30, 2023
概括
人类和猿的头骨进化显示了相似的特征整合模式,尽管饮食差异. 这表明,保留的发育途径会影响面部适应物种间的食.
科学领域:
- 进化生物学是进化的生物学.
- 比较解剖学的比较解剖学.
- 生物力学 生物力学
背景情况:
- 了解面进化需要分析特征共变性和形态整合.
- 饮食上的差异,特别是人类和猿类之间的差异,可能会影响骨整合的模式.
- 研究生物力学相关的特征,可以了解进化的功能约束.
研究的目的:
- 量化和描述Homo sapiens,Pan troglodytes和大猩猩大猩猩的头骨中的形态整合模式.
- 为了比较人类和非洲子的面特征之间的整合的大小和模式.
- 评估饮食对人类头骨生物力学特征整合的影响.
主要方法:
- 使用形状和形状数据对面形态的比较分析.
- 统计调查特征共变性和形态整合.
- 专注于与养系统相关的生物机械信息特征.
主要成果:
- 与非洲人猿相比,人类头骨的原始尺寸 (形状数据) 的整合幅度较低.
- 缩放尺寸 (形状数据) 的整合大小在人类中与猿类相似或更高.
- 形态整合的模式在很大程度上保留在物种之间,在形式数据中有一些变化.
- 与部肌肉大小/形状和部生物力学相关的关键综合性特征.
结论:
- 人类食的面适应可能受到高进化能力的保存路径的限制.
- 功能整合的保存模式支持使用现存的人类类动物作为灭绝的人类类动物的类型.
- 饮食变化可能会影响整合的幅度,但基本模式仍然大致相似.
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