Terry Jones: ‘I’ve got dementia. My frontal lobe has absconded’Jones, now 75, later passed standard tests designed to pinpoint people who have Alzheimer’s disease. His speech continued to deteriorate nevertheless. “He said less and less at dinner parties, when he used to love to lead conversations,” said his daughter Sally. Eventually, in September 2015, Jones was diagnosed as having frontotemporal dementia (FTD), a condition that affects the front and sides
