Great points, but my apologies I meant to say "sentience". Certainly many, many animals are already conscious.
I'm not sure about the quantitative thing seeing as there are creatures with brains much physically much larger than ours, or brains with more neurons than we have. We currently have the most known synapses though that also seems to be because we haven't estimated that for so many species.
I'm not sure about the quantitative thing seeing as there are creatures with brains much physically much larger than ours, or brains with more neurons than we have. We currently have the most known synapses though that also seems to be because we haven't estimated that for so many species.