Mr. weatherford was a hard-driving investment banker before his retirement. his workaholic lifestyle alienated his children, who chose to spend little time with him once they grew up. one day, mr. weatherford called his daughter, ava, to invite her over to see his paintings. when she arrived, she found her father dressed in an old sweat suit and standing in front of several abstract paintings in bright, vibrant colors. mr. weatherford smiled widely and held his daughter's hand as he showed off his work. she was perplexed—something was wrong, but she loved her father's "new" personality. which neurocognitive disorder could account for his symptoms?