Neanderthal cave art shows they indulged in complex symbolic thought.
Many believe our particularly large brain is what makes us human – but is there more to it? The brain’s shape, as well as the shapes of its component parts , may also be important.show that the way the different parts of the human brain evolved separates us from our primate relatives. In a sense, our brains never grow up. We share this “Peter Pan syndrome” with only one other primate – the Neanderthals.
Does a shape change in one part of the growing brain correlate with a change in other parts? This can be informative because evolutionary steps can often be retraced through an animal’s development. A common example is the brief appearance of gill slits in early human embryos, reflecting the fact we can trace our evolution back to fish.
Looking at changes in shape through growth revealed that in apes, such as the chimpanzee, integration between the brain’s lobes is comparable to that of humans until they reach adolescence.
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