Dr Eden and Dr Zeffiro have also compared the brain activity of dyslexics and readers who were given a task that has nothing to do with reading.

ECONOMIST: Reading minds | The

To further their understanding of what was going on, Dr Eden and Dr Zeffiro then joined forces with Frank Wood and his colleagues at Wake Forest University School of Medicine in North Carolina.

ECONOMIST: Reading minds | The

So the task that Dr Eden and Dr Zeffiro devised was to look at a field of small spots on a computer screen, four-fifths of them stationary and the rest drifting slowly to the left or the right.

ECONOMIST: Reading minds | The