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Parts of a cranium found in China in the 1970s show that the young man had a cranial capacity of around 1700 cm 3 at least 160,000 years ago. This is greater than the average of modern humans. [77] [78] In an attempt to use cranial capacity as an objective indicator of brain size, the encephalization quotient (EQ) was developed in 1973 by Harry ...
Reconstruction of early Homo sapiens from Jebel Irhoud, Morocco c. 315 000 years BP. Early modern human (EMH), or anatomically modern human (AMH), [1] are terms used to distinguish Homo sapiens (sometimes Homo sapiens sapiens) that are anatomically consistent with the range of phenotypes seen in contemporary humans, from extinct archaic human species (of which some are at times also identified ...
Homo neaderthalensis, living 400,000 to 40,000 years ago, had a cranial capacity comparable to that of modern humans at around 1500–1600 cm 3 on average, with some specimens of Neanderthal having even greater cranial capacity. [58] [59] Neanderthals are estimated to have had around 85 billion neurons. [50]
In terms of brain capacity, "Researchers reconstructed a complete skull of Xujiayao Man for the first time and estimated that the cranial capacity of the ancient relative of modern humans reached 1,700 cubic centimeters" and "The average brain capacity of modern humans is about 1,400 cc and the normal range is from 1,100 cc to 1,700 cc, " [13]
However, modern Homo sapiens have a brain volume slightly smaller (1250 cm 3) than neanderthals, and the Flores hominids (Homo floresiensis), nicknamed hobbits, had a cranial capacity of about 380 cm 3 (considered small for a chimpanzee) about a third of that of Homo erectus.
One major difference between the Liujiang specimen and modern Chinese populations was the enlarged occipital lobes found on the Liujiang specimen. The common features between the Liujiang specimen and modern humans, along with the cranial capacity of the skull (1567 cc), places the specimen within the range of modern humans. [11]
The early modern human vocal apparatus is generally thought to have been the same as that in present-day humans, as the present-day variation of the FOXP2 gene associated with the neurological prerequisites for speech and language ability seems to have evolved within the last 100,000 years, [124] and the modern human hyoid bone (which supports ...
The individual was relatively small (1.55 m (5.1 ft)) and stocky, but had cranial capacity of about 1,530 cm 3, [5] somewhat larger than the modern European average but in the range of Cro-Magnon adult male average of about 1,600 cm 3.