S34 YOUR AGEING BRAIN

Becoming forgetful or getting dates and names mixed up are signs that we are getting older, but why do our brains seem to work slower and less efficiently than they used to? Why do some diseases such as Parkinson’s, Alzheimer’s and dementia kick in in older age? Neuroscientists Paul Bolam, Richard Wise and Meredith Shafto explore our ageing brains.