How will the future change the human brain? This week’s Big Future takes a look at a new wave of neurological techniques that directly alter the brain’s electrical patterns, correcting seizures and movement disorders. Some doctors are even experimenting with using it to treat depression. Could the same technology be used to correct more fundamental mental properties like attention span? We’re still early in the research, but there are already plenty of projects aiming to give human beings greater control over the inner workings of the brain.