Postmortem survival, the concept of life continuing after physical death, is a core pillar of investigation in parapsychology. This field explores whether consciousness or personal identity can persist beyond the physical demise of the body. This module delves into various phenomena and experiences that suggest the possibility of life after death, including apparitions, hauntings, out-of-body experiences, near-death experiences, possession, and past-life regression.

A significant challenge in postmortem survival research is understanding how ghosts seem to possess memories without a physical brain. Traditionally, memories are believed to be stored within the brain, making it perplexing how a disembodied spirit could retain or access memories. Reports of spirits often include details about their lives and even their deaths, suggesting they have retained some form of memory. Some ghosts are said to have unfinished business, indicating they cannot forget certain aspects even in the afterlife.

It appears problematic for a ghost to have memories of...