By Rachelle Abbott

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Mice using mini steering wheels are helping neuroscientists rethink how the brain makes decisions.

Research from the International Brain Laboratory shows decision-making isn’t confined to just a handful of brain regions as once thought, it’s actually distributed much more widely.

Suze Cooper spoke to Professor Alexandre Puget from the University of Geneva’s basic neuroscience department about the findings and what they might mean for people with brain conditions.

Watch the brain map video here.

Also in this episode:

Today’s episode art work shows a brain-wide map featuring 75,000 analysed neurons. Each dot is linearly scaled according to the raw average firing rate of that neuron up to a maximum size. Credit: Dan Birman, International Brain Laboratory.