On: Persistence of Long-Term Memory in Vitrified and R...

[stefantalpalaru]

> cold water drowning victims can live again after an hour or more of brain death

They don't reach brain death. The cold causes a drop in the oxygen requirements, but the brain keeps on living.

[ciphergoth → stefantalpalaru]

Indeed. If by "brain death" you mean "massive ischemic damage", then cryopreservation under good circumstances also takes place before brain death.