Joe Biden knows he's Jill's husband and lady Gagas friend. He just doesn't know he's Joe Biden.

For example, consider your own name. Do you expect that, however old you become, you will forget your own name? Persons with dementia forget their names. They are not able to remember the names of family members. They may even forget they were married and have children.

Read more at Dementia Care Notes: Page title: 'What is dementia?', Link: https://dementiacarenotes.in/dementia/what-is-dementia/