Internal cranial features of the Mojokerto child fossil (East Java, Indonesia)
Internal cranial features of the Mojokerto child fossil (East Java, Indonesia)
复制标题
DOI：
10.1016/j.jhevol.2005.01.002
复制
发表时间：
2005-06-01
影响因子：
3.2
通讯作者：
Jacob, T
中科院分区：
文献类型：
--
作者：
Balzeau, A;Grimaud-Hervé, D;Jacob, T
印度尼西亚的爪哇岛发现了数量惊人的原始人类化石。最早的标本之一是在Perning发现的，包括一个几乎完整的头盖骨，属于一个少年个体，被称为Mojokerto儿童（Perning 1）。使用计算机断层扫描，这项研究详细介绍了其颅内特征。这个标本仍然充满了沉积物，但它的内表面保存完好，我们能够用电子技术重建它的颅内特征。Mojokerto的内模是唯一能证明如此年轻的直立人个体的大脑证据。我们提供了一个分析性的描述，与其他化石原始人和现代人的内模进行比较，并讨论其个人的年龄和分类的亲和力。Mojokerto儿童的个体发育模式表明，直立人大脑的生长和发育与现代人类不同。这个个体的特征是，发育的最早阶段对应于重要的上下扩张和大脑的相对圆形。以下阶段与现代人不同，大脑的前后扁平，特别是额叶的前后发育，导致成年H。直立人形态学(c)2005爱思唯尔有限公司保留所有权利。
The island of Java, Indonesia, has produced a remarkable number of fossil hominid remains. One of the earliest specimens was found in Perning and consists of an almost complete calvaria belonging to a juvenile individual, known as the Mojokerto child (Perning 1). Using computed tomography, this study details its endocranial features. The specimen is still filled with sediment, but its inner surface is well preserved, and we were able to reconstruct its endocranial features electronically. The Mojokerto endocast is the only cerebral evidence available for such a young Homo erectus individual. We provide an analytical description, make comparisons with endocasts of other fossil hominids and modern humans, and discuss its individual age and taxonomic affinities. The ontogenetic pattern indicated by the Mojokerto child suggests that the growth and development of the Homo erectus brain was different from that of modern humans. The earliest stages of development, as characterized by this individual, correspond to important supero-inferior expansion, and relative rounding of the cerebrum. The following stages differ from that of modern humans by marked antero-posterior flattening of the brain and particularly antero-posterior development of the frontal lobes, resulting in the adult H. erectus morphology. (c) 2005 Elsevier Ltd. All rights reserved.