President Joe Biden delivered remarks during the NATO 75th anniversary celebratory event.Kevin Dietsch/Getty ImagesJoe Biden said he would take a neurological test, but only if his doctors tell him he needs one."But no ones suggesting that to me now," the president said at the NATO summit on Thursday.His assurances come as pressure mounts for him to prove his cognitive fitness before the elections.Facing mounting calls to take a neurological exam, President Joe Biden has agreed that he would — but only if his own doctors think there's something wrong with him.Speaking at NATO's 75th anniversary celebratory event on Thursday, he was asked whether he would be "open to taking another physical or test before the election."He responded that he had taken "three significant and intense neurological exams," with the most recent being in February.The president tripped over his words then, saying he had been tested by a "neuro-neurosurgeon-neurologist."The medical professionals had determined that he was in "good shape," he added."Every single day, I am surrounded by good docs," he said to the crowd at the NATO summit.