God On The Brain
If the abnormal brain activity of TLE patients alters their response to religious concepts, could altering brain patterns artificially do the same for people with no such medical condition? This is the question that Michael Persinger set out to explore, using a wired-up helmet designed to concentrate magnetic fields on the temporal lobes of the wearer.

His subjects were not told the precise purpose of the test; just that the experiment looked into relaxation. 80% of participants reported feeling something when the magnetic fields were applied. Persinger calls one of the common sensations a 'sensed presence', as if someone else is in the room with you, when there is none.

Horizon introduced Dr Persinger to one of Britain's most renowned atheists, Prof Richard Dawkins. He agreed to try his techniques on Dawkins to see if he could give him a moment of religious feeling. During a session that lasted 40 minutes, Dawkins found that the magnetic fields around his temporal lobes affected his breathing and his limbs. He did not find god.

Persinger was not disheartened by Dawkins' immunity to the helmet's magnetic powers. He believes that the sensitivity of our temporal lobes to magnetism varies from person to person. People with TLE may be especially sensitive to magnetic fields; Prof Dawkins is well below average, it seems. It's a concept that clerics like Bishop Stephen Sykes give some credence as well: could there be such a thing as a talent for religion?

bbc.co.uk/science/horizon/2003/godonbrain.shtml

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