How Old Is Your Brain?

by Edward HughReally this is a very good question, and one on which more than one of the important future economic unknowns of the ageing society hinges. Is 'proportional lifecycle rescaling' a realistic hypothesis, or do our bodies in fact increasingly outlive our active brains? Well today we have news of a ludic test to examine just how fast we are, each and every one of us, cognitively ageing: