Sentences with phrase «than the chimp brain»
The finding shows that this population of cells in the human brain is more similar to that of a macaque than a chimp brain.
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Besides the obvious size difference — the human brain is about three times larger than the chimp brain — little has been known about how the human brain and the rest of the nervous system changed in our lineage over evolutionary time.
Not exact matches
The frontal brain grooves on a H. naledi endocast, like those in modern humans, lie farther back than the grooves seen in the chimp MRI scan, Hurst contends.
When they measured the concentrations in the same area in chimp brains, the team found that the differences between chimps and normal humans were much greater for those nine than for the 12 metabolites not implicated in schizophrenia, suggesting that energy pathways implicated in schizophrenia were also altered by human evolution, the team reports this week in Genome Biology.
New work on primates bolsters the idea that diet — rather than social complexity — was key to evolution of our big brains, says chimp expert Richard Wrangham
A multitude of factors help makes the human brain superior to the chimps», but new research indicates that looser genetic control of brain development in humans allows us to learn and adapt to our environment with more flexibility than our primate cousins.
As a result, the embryos carrying human HARE5 have brains that are 12 % larger than the brains of mice carrying the chimp version of the enhancer.
The blue stains in these developing mice embryos show that the human DNA inserted into the rodents turns on sooner and is more widespread (right) than the chimp version of the same DNA, promoting a bigger brain.
They also have brains that are 20 percent smaller than those of chimps.»
But in the brain, the team detected much more gene expression in humans than in chimps, whereas gene expression in the brains of chimps and the other primates was about the same.
Regulator genes help determine how other genes will express themselves, and the researchers suspected that some of these regulators might be making brain development more active in human embryos than in chimps.
(In the sense that a chimp - sized brain couldn't possibly manage all those augmented functions like syntax, not any more than you could run Windows programs on a 1950 desk calculator.)