Political opponents, armchair pundits and even nervous supporters are demanding that President Joe Biden undergo such testing after his dismal debate performance – even though his physician says he ...

Former President Donald Trump claimed to have again “aced” an increasingly difficult cognitive test involving intricate math problems, but experts say the test is easy, and a mock exam contained ...

The president's score on the Montreal Cognitive Assessment "was within normal limits" and "demonstrated normal mental status, ...

For now, it seems that activities as diverse as doing challenging puzzles, learning a musical instrument or even playing ...

Online tests of women's reaction times offer insights into cognitive function and could help fill data gaps on early cognitive problems, potentially shedding light on dementia development later in ...