As I write this, I’m sitting in the University of British Columbia/Vancouver General Hospital (UBC/VGH) Eye Care Centre, where my husband, Chuck, is completing post-tests at the conclusion of a six-month study on prosopagnosia, otherwise known as face blindness. The condition isn’t treatable with drugs – not yet, at least – but it’s nonetheless disabling, prompting researchers at several centers in North America and Europe to work collaboratively and seek to help patients carry on with their lives. Clinical studies of prosopagnosia have, so far, informed researchers more about the causes and structural manifestations of the disease than about potential...