A psychologist, Dr. John Gartner, has expressed concerns about Donald Trump’s cognitive state. He says the signs of deterioration are easily visible, describing them as “clearly deteriorating.” This statement suggests that Dr. Gartner believes Trump’s mental abilities are rapidly declining, prompting questions about his ability to lead effectively.
Source: https://www.thedailybeast.com/this-is-what-demonstrates-donald-trumps-dementia-psychologist