Near-death experiences (NDEs) are a widely reported yet poorly understood phenomenon. Though there is no agreed-upon definition of an NDE, it has been described as “profound psychological events with ...

Consciousness may be millions of years old, fueled by primal brain circuits rather than the human cortex alone.

In the agonizing moments in a hospital, after someone has suffered traumatic brain injury, medical professionals look for any sign of consciousness in patients. With patients who struggle to move, ...