With an estimated 86 billion neurons, the 3lb organ between your ears may be one of the most complex objects in the universe.
All that complexity allows the brain to process more than 70,000 thoughts every day – but creates quite a headache for neuroscientists.
Research has identified hundreds of different brain areas and, the closer scientists look, the more structures seem to appear.
Incredible graphics now reveal the weird and wonderful functions of these different areas – from the