The Montreal Cognitive Assessment, which Trump took in 2018, has 30 questions. It’s not clear whether Trump has taken another version of the exam more recently.

Examples of slower cognitive “processing” might be difficulty remembering a name, numbers or specific details under pressure – but they come back to you later.

For example, if the person takes the same test word-for-word, repeatedly over time, this raises questions about the nature of the test versus the nature of the cognitive abilities of the person ...

“I have a cognitive test every day,” said Biden, who would be 86 when he leaves office if re-elected in November. Trump, 78, also faced questions about his cognition when he was in office.

What are cognitive tests? They’re brief screening tools, a 10-minute series of questions to assess different brain functions.

And presidents aside, does the average older adult need one? What are cognitive tests? They’re brief screening tools, a 10-minute series of questions to assess different brain functions.