Sentences with phrase «modern human brain»

Even if you could find modern human brains that small, they would be incredibly rare.
So although the extreme lower range of modern human brain sizes does overlap that of Homo erectus, their skulls are very different: in H. erectus, the brain case really is smaller in relation to the rest of the skull.
Because of the obvious humanness of the Turkana Boy fossil, and the fact that H. erectus brain sizes overlap the extreme lower range of modern human brain sizes, creationists have nowadays almost entirely abandoned the old line (popularized by Duane Gish) that Peking Man and Java Man are apes, and now generally claim that Homo erectus fossils are a variant form of modern humans (ignoring the inconvenient fact that there are many obvious differences between Homo erectus and Homo sapiens).
Similar folds of tissue typically cover the surface of Broca's area in modern human brains.
Returning to the «for the sake of argument» concession above: it is not true, in any meaningful sense, that normal modern human brain sizes go down to 700 cm3.
Under those specifications, the hypothetical human brain grew as big as ancient humans» brains are thought to have grown, and the slow growth rate matched that of modern human brains.
For all practical purposes, modern human brain sizes range from 900 cm3 to 2000 cm3.
Bradbury, J.Docosahexaenoic Acid (DHA): An Ancient Nutrient for the Modern Human Brain.
Lahn wondered: Could changes in this gene, favored by the pressures of natural selection, have directed the development of the big, modern human brain?
That's what brought the modern human brain into existence in Africa by about 200,000 years ago.
It has long been reported that the average Neanderthal adult brain had a volume of approximately 1520 cubic centimeters (92 cubic inches), while the average size of a modern human brain is about 1450 cubic centimeters (88 cubic inches).
The modern human brain's primary environment is our matrix of social relationships.
The modern human brain (below, shown to the same scale) is about three times larger, with more than four times the amount of neocortex surface area.
a b c d e f g h i j k l m n o p q r s t u v w x y z