The human brain has been called a “linearly scaled-up primate brain,” meaning that no areas are disproportionally large.8 All in all, the neural differences seem insufficient for human uniqueness to be a foregone conclusion. If we ever find a way of measuring it, consciousness could well turn out to be widespread. But until then some of Darwin’s ideas will remain just a tad too dangerous. This is not to deny that humans are special—in some ways we evidently are—but if this becomes the a priori assumption for every cognitive capacity under the sun, we are leaving the realm of science and
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