Dementia is a progressive loss of cognitive function, marked by memory problems, trouble communicating, impaired judgment, and confused thinking. Dementia most often occurs around age 65 and older but is a more severe form of decline than normal aging. People who develop dementia may lose the ability to regulate their emotions, especially anger, and their personalities may change.| Psychology Today
Adolescence is the transitional stage from childhood to adulthood that occurs between ages 13 and 19. The physical and psychological changes that take place in adolescence often start earlier, during the preteen or "tween" years: between ages 9 and 12.| Psychology Today
The ability to pay attention to important things—and ignore the rest—has been a crucial survival skill throughout human history. Attention can help us focus our awareness on a particular aspect of our environment, important decisions, or the thoughts in our head. Maintaining focus is a perennial challenge for individuals of all ages, and people have long sought out strategies, tricks, and medications to help them stay on track.| Psychology Today
