A medium practices psychography, or writing the words of the dead while in a trance.
The supernatural experience of having the dead communicate through the living has now been analyzed with brain scans.
Their brain activity suggests those more expert at entering these otherworldly trances often experienced a drop in focus, self-awareness and consciousness, scientists said.
In the practice known as mediumship, people known as mediums claim to be in touch with or even under the control of the spirits of the dead. One form of mediumship, known as psychography, involves trances where the dead allegedly write using the hands of the living medium.
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