83 cases, reported cases compiled by whom? Could be many more.
Doesn't prove anything but is one of those things that makes you go, "Hmmm?"
In case you forgot the original issue was ancient Greeks and their belief that there is an aspect to human existence beyond the physical, distinguishing us from animals.
There could be many more, however it does not happen in the majority of cases of brain damage and dying. Which indicates that there was some residual function activated under a final frantic burst of neuronal activity. There are probably far more living patients with brain damage/memory function loss that have moments of lucidity. There are some who have been in a coma for decades, yet became conscious. What can be said confidently is that the brain is an absolute marvel of complexity and functionality
