“We are looking for physical manifestations of God.”
Mr Freeman then became a human guinea pig for the experiment, which saw him pray for around 12 minutes and then have his brain scanned by an MRI machine.
Using a radioactive dye, the team could observe which parts of the brain Mr Freeman used when thinking about God.
Analysing the results, Dr Newberg said: “These are your two scans, side-by-side, you can see the frontal lobes here (rest scan) it’s mostly yellow, with just a little bit of red.
“Whereas during the meditation, the whole frontal lobe has kind of blossomed.