Earlier quoted context omitted.
They currently ignore them. Not talking fantasy. When beating heart corpses (technically brain dead but body is alive) have their organs removed, in some cases the bodies go through symptoms of a live human being killed by vivisection. These are generally ignored. Let's hope our understanding of brain death is fully and completely correct.
Years ago, I saw a TV interview of the first recipient of a heart-lung transplant. When asked some question post surgery, she blurted "I could really use a beer!" She didn't drink, but the young male donor of her organs who died in a motorcycle crash did. She wrote a book about her experience. Initially, she had bizarre dreams, as if tapping into the psyche of her organ donor. Over time, those stopped. Mention of thi…
I’d be surprised if most such changes have statistically strong correlation with organ donor personalities.