Article1981

Volumetric and asymmetry determinations on recent hominid endocasts: Spy I and II, Djebel Ihroud I, and the salè Homo erectus specimens, with some notes on neandertal brain size

112 citations0/0 files storedAmerican Journal of Physical Anthropology

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Pleistocene-Era Hominins and Archaeology Forensic Anthropology and Bioarchaeology Studies Hemispheric Asymmetry in Neuroscience

Abstract

Full brain endocast reconstructions of the Neanderthals, Spy I and II, Djebel Ihroud I, and the Homo erectus specimen from Sale, Morocco have yielded accurate volumes. Spy I = 1,305 ml; Spy II = 1,553 ml; Djebel ihroud I = 1,305 ml; Sale = 880 ml. While there are no remarkable gyral and sulcal patterns one can delineate, the brain endocasts do show evidence of left-occipital, right-frontal petalias, suggesting right-handedness, and possibly human cognitive specialization, involving symbol processing and visuospatial integration. Some speculations regarding Neanderthal brain size are also offered, in which it is suggested that their possibly larger brain sizes were related to greater muscularity than in modern Homo sapiens.

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References

1975Primate Functional Morphology and Evolution 1978A re-examination of presumed Neandertal-like fossils 2008BRAIN WEIGHT OF THE DANES 1974Population relationships of later Pleistocene hominids: A multivariate study of available crania 1980Sexual differences in Neanderthal limb bones 1979The Neanderthals 1923Cranial capacity and linear dimensions, in White and Negro 1980Sexual differences in European Neanderthal crania with special reference to the Krapina remains

Cited by

2009A bivariate approach to the widening of the frontal lobes in the genus Homo 1992Recent human evolution in northwestern Africa 2013Pandora's growing box: Inferring the evolution and development of hominin brains from endocasts 2001Variation in hominid brain size: How much is due to method?2012Variations and asymmetries in regional brain surface in the genus Homo 1991On the autapomorphic traits of Homo erectus 2008

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