Does heaven exist? With well over 100,000 plus recorded and described spiritual experiences collected over 15 years, to base the answer on, science can now categorically say yes. Furthermore, you can see the evidence for free on the website allaboutheaven.org.

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This book, which covers Visions and hallucinations, explains what causes them and summarises how many hallucinations have been caused by each event or activity. It also provides specific help with questions people have asked us, such as ‘Is my medication giving me hallucinations?’.

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Observations placeholder

Joan of Arc - Oliver Sacks - Hallucinations



Type of Spiritual Experience


Number of hallucinations: 1


Remember that if you hear any voices that actually use your language you are hearing either a bodied soul or a recently disembodied soul.  In effect Joan was being spoken to by a person which is intriguing because one then wonders who.  Clearly someone who was both French and who thought she could lead an army!


A description of the experience

from Oliver Sacks – Hallucinations

I was thirteen when I had a voice from God for my help and guidance. The first time that I heard this voice, I was very much frightened; it was mid-day, in the summer, in my father's garden . . .

I heard this Voice to my right, towards the Church; rarely do I hear it without its being accompanied also by a light.

This light comes from the same side as the Voice. Generally it is a great light. . . .

When I heard it for the third time, I recognized that it was the Voice of an Angel. This voice has always guarded me well, and I have always understood it; it instructed me to be good and to go often to Church; it told me it was necessary for me to come into France . . . it said to me two or three times a week: "You must go into France." . . .

It said to me: "Go, raise the siege which is being made before the City of Orleans. Go!" . . .

and I replied that I was but a poor girl, who knew nothing of riding or fighting. . . .

There is never a day when I do not hear this Voice; and I have much need of it

The source of the experience

Joan of Arc

Concepts, symbols and science items


Science Items

Activities and commonsteps





Being left handed
Brain damage


Hearing voices