Here's a relatively recent study: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4270739/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4270739/ I agree with your

Here's a relatively recent study: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4270739/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4270739/ I agree with your sentiment in the second paragraph. Human gets a little fuzzy, though...I think you really mean to point at personhood. There are humans who definitely aren't people, like those born without brains. And with the computers our grandkids will install--oh my! I'll cross that bridge when I get to it.