 What is vascular dementia, Lewy body, FTD, TBI, and CTE? If someone has memory loss, does that mean they have dementia? Millions of Americans ask these questions every day. I did too, and I learned. My wife Ginny developed dementia. I didn't know what to do or what was coming next. I'm Kevin Jamieson, volunteer and president of the Dementia Society of America. I'm excited to offer you a free guide to understanding dementia.