Countless everyday tasks that seem effortless to many of us are orchestrated by complex networks in the brain. Try to keep track of a moving object – how does your brain keep your eyes stable? Try putting together a sentence – how does your brain keep track of the grammar, syntax, or rhythm of your speech? The cerebral cortex (the outer layer of the brain) has a crucial role in enabling us to perform these tasks, with different areas being responsible for controlling different processes.