That difference in kind is probably an illusion created by the magnitude of the difference in degree. From what I've gathered, the consensus, both in neuroscie

That difference in kind is probably an illusion created by the magnitude of the difference in degree. From what I've gathered, the consensus, both in neuroscience and in philosophy of the mind, is that consciousness is totally emergent from the "simple" building blocks; there's no specific component unique to higher primates that explains the difference.