In people with dyslexia less grey matter in the brain has been linked to reading disabilities but new evidence suggests this is a consequence of poorer reading experiences and not the root cause of the disorder. A study compared a group of dyslexic children with two different control groups - an age-matched group included in most previous studies and a group of younger children who were matched at the same reading level as the children with dyslexia. 'This kind of approach allows us to control for both age as well as reading experience' explained neuroscientist Guinevere Eden professor of paediatrics
