How does the belief in demonic possession relate to psychology?

Psychology Before Psychology Read more from
Chapter Introducing the Basics

The idea of the devil was pervasive throughout the Middle Ages and pre-scientific Europe, and all manner of illness and misfortune was attributed to Satan or lesser devils and demons. Mental illness, in particular, was seen to be caused by demonic possession. It was believed that Jesus exorcised demons, a task that was performed by priests by the time of the Middle Ages. Even today some people believe in demonic possession.


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