President Donald Trump’s late-night claim that a “perfect” score on a cognitive test proved his “extreme intelligence” drew swift pushback from a prominent medical expert, who noted that the exam is a dementia screening tool,

Late-night hosts discussed Trump’s cognitive faculties, his failed plans for a concert series and the rise of Spencer Pratt in the California primaries

President Trump has claimed he “aced” all three cognitive tests administered to him during his first and second presidencies.​ The commander-in-chief further claimed that no president has ever taken part in a similar exercise when he spoke on his mental acuity at the White House Monday.

The IQ of President-elect Donald Trump was a topic of discussion well before he ran for office, with Trump himself declaring: "I know some of you may think l'm tough and harsh but actually I'm a very compassionate person (with a very high IQ) with strong ...