Which statement by the wife of an older individual suspected of demonstrating characteristics of dementia best supports that diagnosis?
"He seems to get confused and restless at night."
"He had a bladder infection last month and then his problems started."
"I noticed the changes right after he got the flu that caused him to vomit alot."
"Gradually his personality changed and he just wasn't the person he used to be."
"Gradually his personality changed and he just wasn't the person he used to be."