7th June 2023

An 82-year-old man presents to his GP with a six-month history of progressive cognitive decline

An 82-year-old man presents to his GP with a six-month history of progressive cognitive decline. His family report that he has been forgetting the names of his grandchildren and leaving the house in a state of disarray, which is out of character for him. He has become paranoid and thinks that his neighbour is shouting at him and banging on his door late at night.

Which of the following options would favour a diagnosis of dementia rather than delirium?