Originally Posted by GarfieldJL
And in my opinion, the instant you see brainwaves, it is a human life. Cause when do you have a soul, I'm going to go with the opinion that it is very early in human development because I'd rather be wrong on that then be wrong the other way and be responsible for the consequences of that.
This could lead into a massive debate surrounding surrounding the beginning of sentience, and eventually, the metaphysical, which can be left entirely up to philosophical and religious beliefs.
Strictly speaking, an embryo has a brain, yet whether it is actually used in a sentient way can be debated.