Synapses undergo a burst of excitation before death, like strokes and migraines. What happens to the brain after death is a mystery.
Many NDEs include a bright tunnel. It’s challenging to research the brain’s last moments. Everything we know about death comes from subjective NDEs.
The brain doesn’t stop working at death. When does death relate someone to gauges? A team researched coma patients by accident. Synapses excite before death. Migraine-like. Some wear eye veils.