So, no, Wilkomirski and Andrews are not crazy or deceitful, but their memories are false, and false for particular, self-justifying reasons. Their stories, so different on the face of it, are linked by common psychological and neurological mechanisms that can create false memories that nonetheless feel vividly, emotionally real. These memories do not develop overnight, in a blinding flash. They take months, sometimes years, to develop, and the stages by which they emerge are now well known to psychological scientists.

