2. Brain Activity After Death
In hospital-based studies, researchers have detected flashes of brain activity even minutes after the heart has stopped. This suggests that consciousness—or at least some form of perception—might continue beyond the point at which a person is considered clinically dead.
A 2023 study published in Resuscitation examined cardiac arrest cases and found that some patients displayed a “brain signature associated with conscious perception,” suggesting that something is still happening in the brain that we don’t yet fully understand.

How Does This Connect to the Idea of the Soul?
While science can’t confirm the existence of a “soul,” these findings open the door to reflection: maybe consciousness doesn’t simply shut off the moment the body dies. This fits—at least symbolically—with the belief that the soul takes time to leave.
The three-day idea could be seen as a cultural or spiritual expression of a real, though still mysterious, process of disconnecting between body and consciousness.
Between Faith and Science
The belief that the soul takes three days to depart is part of ancient wisdom aimed at making sense of what happens after death. Science, meanwhile, is beginning to discover that human consciousness is far more complex than previously thought—and perhaps doesn’t vanish instantly.
While there are still no definitive answers, the conversation between spirituality and science remains open. Rather than contradicting one another, these two perspectives may be observing the same phenomenon through different lenses.