Researchers think that certain traits may be linked to people who believe they can hear the dead

These types of people – often self-described as clairaudient, or mediums – tend to have a childhood predisposition to high levels of absorption in tasks

Moseley and Powell were fascinated by some people claiming to be Spiritualists, while others thought they were experiencing a mental breakdown

Spiritualists tend to report unusual auditory experiences which are positive, start early in life and which they are often then able to control

Understanding how these develop is important because it could help us understand more about distressing or non-controllable experiences of hearing voices too

From that figure, 79 percent said the experiences happened daily, and 31.7 percent reported that the voices were external, too

Members of the general population denied being prone to auditory hallucinations but did correlate high levels of absorption

The levels of belief in the paranormal and susceptibility to visual hallucinations were around the same in both groups