rogerjenkins, who lives in the us and tom kalaris, who has dual nationality, were asked to post £500,000f the brain's internal workings has been produced by scientists at cardiff university. the mri machine reveals for the first time the fibres which carry all the brain's thought processes . doctors hope it will help increase understanding of a range of neurological disorders and could be used instead of invasive biopsies. 0ur medical correspondent fergus walsh volunteered to be scanned — here's his exclusive report. the human brain. all thought, memory, consciousness is here. in unprecedented detail, these images of my brain show the white matter, fibres called axons, the brain's wiring, which carry billions of electrical signals. those colour—coded green travel between front and back. in red, left and right. in blue, up and down. the scan was done at cubric, the cardiff university brain research imaging centre. i have had my brain scanned for tv reports many times, but never in this level of detail. 0k, john. using this special mri scanner — there are just three in the world — the team