Edmond O'Brien's daughter on dad's fatal dementia - ‘lost virtually all mental functions'
Alzheimer's disease had on her father. Days after his death, she spoke in front of the US House of Representatives to raise awareness of the horrors of the disease. As reported by United Press International at the time, she said: "Ironically, a man who once could hold an audience in the palm of his hand, towards the end, had great difficulty expressing even his most basic feelings.