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Comedian Ruby Wax is guiding viewers on a tour inside the human brain organised by FMRIB scientists.

Ossie - the friendly green popsicle
Ossie - the friendly green popsicle

In a new animation watch it online here the stand-up star narrates how a Magnetic Resonance Imaging (MRI) scanner sees inside our brains and detects surges of oxygenated blood that can be linked to how we move, talk, or even experience being tickled. The animation, 'A spin around the brain', is the latest video from Oxford Sparks, a web portal giving people access to some of the exciting science happening at Oxford University. The guide to the inner space between our ears follows the adventures of Ossie, a friendly green popsicle who has previously met a rogue planet and negotiated a volcano's plumbing system, as well as investigating heart attacks, the coldest things in the universe, and the Large Hadron Collider.