Knowledge is one aspect of it, sure. We don't really know what all aspects are. We don't exactly know where do all our emotions, our empathy, our culture comes

Knowledge is one aspect of it, sure. We don't really know what all aspects are. We don't exactly know where do all our emotions, our empathy, our culture comes from. Different branches of Psychology and Neuroscience will give you different answers. I don't think many of them would restict to mere neural networks.