An MRI brain scan can detect these small strokes.

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Then at about age 73, 700 study participants were given a magnetic resonance imaging (MRI) brain scan.

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An MRI scan showed no problem with his brain activity and Quinn, as he is known to his friends, was sent for bypass surgery on Friday.

BBC: Quinton Barham

That's an MRI scan of New York Times writer Matt Richtel's brain that was captured while he played a simple driving game -- all in the name of science (and journalism), of course.

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The results of an MRI scan showed that Apple was actually stimulating the same parts of the brain as religious imagery does in people of faith.

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The only way to determine the cause of stroke at present is for the patient to have an MRI or CT scan, both of which can take up valuable time in hospital when every second counts to keep brain damage to a minimum.

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