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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

Puharich, Andrija - The Sacred Mushroom - The effects of noise



Type of Spiritual Experience


A description of the experience

The Sacred Mushroom – Andrija Puharich

No sooner had I fixed the appearance of the wall covering in my mind than I was startled by a loud noise and I knew with a desperate urgency that I had to get back to my ‘body’  in the bedroom in Maryland. I have no idea of how I left this room.  All I know is that once again I moved through a grey blue enveloping atmosphere  with a terrific sense of speed. I distinctly remember sliding into my body on the bed with a motion which I imagine to be very much like that of a fluid which is suddenly drawn up into a bottle by a vacuum pressure. Immediately thereafter I awakened, still hearing the loud noise which had startled me.  I realised it was the sound of my bedroom door after it had been struck, and I heard the footsteps of my daughter disappearing down the hall.

The source of the experience

Puharich, Andrija

Concepts, symbols and science items


Science Items

Activities and commonsteps