But experts in brain evolution discredited it decades ago.

但研究大脑的专家早在数十年前就对它提出了质疑。

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It's a loose network of nerves called a "nerve net," says Chet Sherwood, who studies brain evolution at The George Washington University in Washington, d.c..

这是一个被称为“神经网”的松散的神经网络，华盛顿特区的乔治华盛顿大学研究大脑进化的切特·舍伍德说。

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Prof Robin Dunbar, co-author of the study, said: ‘For the first time, it has been possible to provide a genuine evolutionary time depth to the study of brain evolution.

罗宾·邓巴教授，这项研究者之一，说道：“这是第一次将基因进化时间深度应用到脑部进化的研究中。”

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In the human brain, designed by evolution, every tiny part is very different from every other tiny part.

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" 'Swing change' is really a stupid term, because it's actually just gradual evolution in encoded brain patterns, " Foley said.

WSJ: Sean Foley, Eclectic Golf Whisperer

Researchers found that genes relating to sensory perception, hearing and brain development showed "accelerated evolution" in all three, but particularly in humans and gorillas.

CNN: First gorilla genome map offers clues to human evolution