Abstract:
:A new brain endocast of Homo erectus from Hulu Cave, Tangshan, Nanjing is described and compared with a broad sample of endocasts of H. erectus, Neanderthals, and recent modern humans. The Nanjing 1 endocast is reconstructed based on two portions of endocranial casts taken from the original fossil fragments. The fossil was discovered in 1993, near Nanjing, South China and is dated to ∼ 0.58-0.62 Ma. The cranial capacity is ∼ 876 cc, as determined by endocast water displacement. There are some common features of Nanjing 1 and other H. erectus endocasts that differentiate them from the Neanderthals and modern humans in our sample. These include small cranial capacity, low height dimensions, simple middle meningeal vessel patterns, a high degree of cerebral-over-cerebellar lobe overhang, elongated and quite separated cerebellar lobes, and a narrow, low, short and flat frontal region. Some features are found to vary among H. erectus, Neanderthals and modern humans, such as the lateral Sylvian fissure position and the venous sinus and petalial patterns. The Nanjing 1 endocast has unique, large, superior frontal convolutions, and strongly protruding Broca's caps. In contrast to other Chinese H. erectus from Hexian and Zhoukoudian, Nanjing 1 lacks strong posterior projection of the occipital lobes. Bivariate and principal component analyses indicate that the small volume and shape of Nanjing 1 is most similar to KNM-WT 15000, KNM-ER 3883, Sangiran 2 and Hexian, illustrating the combination of narrow, low, and short frontal lobes with wide posterior lobes.
journal_name
Am J Phys Anthropoljournal_title
American journal of physical anthropologyauthors
Wu X,Holloway RL,Schepartz LA,Xing Sdoi
10.1002/ajpa.21527subject
Has Abstractpub_date
2011-07-01 00:00:00pages
452-60issue
3eissn
0002-9483issn
1096-8644journal_volume
145pub_type
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journal_title:American journal of physical anthropology
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