Flatworms can still ‘see’ even after they are decapitated
Headless flatworms still react to UV lightShettigar et al., Sci. Adv. 2017;3: e1603025By Aylin WoodwardOff with their heads. Light-averse planarian flatworms, known for their incredible ability to regenerate lost body parts, shy away from light even after they have been decapitated. This suggests they have evolved a second way to respond to light that...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark