The human cerebellum holds around 80% of the brain’s neurons, packed into a structure the size of a fist. For a century it was dismissed as a movement controller. We now know it shapes thought, language and emotion too — and we are only beginning to work out how.

I use brain imaging, non-invasive stimulation and computational models to map what the cerebellum does, and to test what changes when we alter its activity.

Let me tell you about my research in 120 seconds: