Doctoral Dissertation Research: Functional Morphology and Macroevolution of the Mammalian Cervical Vertebral Column

博士论文研究:哺乳动物颈椎的功能形态学和宏观进化

基本信息

  • 批准号:
    1919764
  • 负责人:
  • 金额:
    $ 3.12万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2019
  • 资助国家:
    美国
  • 起止时间:
    2019-10-01 至 2023-09-30
  • 项目状态:
    已结题

项目摘要

Bipedal locomotion is a hallmark trait of the human evolutionary lineage, representing a major transition away from the apes and other primates. This pivotal shift can be investigated through studies of the neck, as the human neck is adapted to balance and stabilize the head during bipedal movements. This doctoral research project will test how the shape of the bones of the neck relate to locomotion and posture in a diverse sample of mammals. The findings will be used to interpret fossilized neck bones from extinct human relatives to learn about their early forms of bipedalism, as well as potentially informing clinical research. This project will also support the sharing of three-dimensional scan data through digital repositories and the training and mentorship of student researchers, including those from groups underrepresented in scientific fields. Cervical vertebrae in the hominin fossil record can provide insight into the interplay between the head, neck and trunk during key locomotor and postural transitions. Currently, however, functional interpretations of these fossils are limited to broad categories such as "human-like" neck mobility or "ape-like" neck posture. The goal of this dissertation is to improve hominin neck reconstructions by experimentally testing how cervical vertebral shape relates to neck function, locomotor mode, and trunk posture. This goal will be addressed in three objectives: 1) quantify the relationship between vertebral shape and neck mobility using bending mechanics experiments, 2) develop neck posture models in living species using virtual reconstruction methods, and 3) evaluate patterns of vertebral shape change across diverse mammalian groups using phylogenetic comparative methods. The objectives will be tested in a broad sample of primates, rodents, and marsupials. These groups contain species with independently-evolved forms of bipedal locomotion and upright trunk posture, allowing for independent verification of form-function relationships. This project will provide the foundational data necessary to quantitatively interpret functional information from cervical vertebral fossils, furthering our understanding of the nature and biomechanical demands of bipedalism in early hominins.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
两足行走是人类进化谱系的一个标志性特征,代表着与类人猿和其他灵长类动物的重大转变。这一关键的变化可以通过对颈部的研究来研究,因为人类的颈部在两足动物的运动中适应了平衡和稳定头部。这项博士研究项目将在不同的哺乳动物样本中测试颈部骨骼的形状与运动和姿势的关系。这些发现将被用来解释灭绝的人类亲属的颈骨化石,以了解它们早期的两足动物形式,以及可能为临床研究提供信息。该项目还将支持通过数字储存库共享三维扫描数据,并支持对学生研究人员的培训和指导,包括那些来自科学领域代表性不足群体的研究人员。人类化石记录中的颈椎可以洞察在关键的运动和姿势转变过程中头部、颈部和躯干之间的相互作用。然而,目前对这些化石的功能解释仅限于“类人”颈部活动或“类人猿”颈部姿势等宽泛的类别。这篇论文的目的是通过实验测试颈椎形状与颈部功能、运动方式和躯干姿势的关系,以改进人的颈部重建。这一目标将通过三个目标来实现:1)通过弯曲力学实验量化脊椎形状和颈部活动度之间的关系;2)使用虚拟重建方法开发活体物种的颈部姿势模型;3)使用系统发育比较方法评估不同哺乳动物群体间的脊椎形状变化模式。这些目标将在灵长类动物、啮齿动物和有袋类动物的广泛样本中进行测试。这些类群包含具有独立进化的两足运动形式和直立躯干姿势的物种,允许独立验证形式与功能的关系。该项目将提供从颈椎化石中定量解释功能信息所需的基础数据,进一步加深我们对早期人类两足行走的本质和生物力学要求的理解。该奖项反映了NSF的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

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Gabrielle Russo其他文献

strongBone pathology within Sanfilippo syndrome type B mice as a novel biometric for peripheral disease correction/strong
B 型桑菲利波综合征小鼠体内的强骨病理学作为外周疾病矫正的一种新型生物特征
  • DOI:
    10.1016/j.ymgme.2022.107009
  • 发表时间:
    2023-02-01
  • 期刊:
  • 影响因子:
    3.500
  • 作者:
    Frederick Ashby;Evelyn Castillo;Yan Ludwig;Natalia Andraka;Cong Chen;Nadia Kabbej;Julia Jamieson;John Sommerville;Gabrielle Russo;Jose I. Aguirre;Coy Heldermon
  • 通讯作者:
    Coy Heldermon
<strong>Bone pathology within Sanfilippo syndrome type B mice as a novel biometric for peripheral disease correction</strong>
  • DOI:
    10.1016/j.ymgme.2022.107009
  • 发表时间:
    2023-02-01
  • 期刊:
  • 影响因子:
  • 作者:
    Frederick Ashby;Evelyn Castillo;Yan Ludwig;Natalia Andraka;Cong Chen;Nadia Kabbej;Julia Jamieson;John Sommerville;Gabrielle Russo;Jose I. Aguirre;Coy Heldermon
  • 通讯作者:
    Coy Heldermon

Gabrielle Russo的其他文献

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{{ truncateString('Gabrielle Russo', 18)}}的其他基金

HRRBAA: Paleontological reconnaissance of a potential early Miocene catarrhine site in the Turkana Basin
HRRBAA:图尔卡纳盆地潜在的早中新世卡他碱遗址的古生物学勘察
  • 批准号:
    1929450
  • 财政年份:
    2019
  • 资助金额:
    $ 3.12万
  • 项目类别:
    Standard Grant

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