"erik erikson believed that people who experience isolation and stagnation in earlier adulthood are more likely to experience in later adulthood."

despair

Explanation:

Erik Erickson explained that there are eight stages of psychological development which are stretched in the lifetime of a human being. The last stage which started around the age of 65 was called integrity vs despair. At this stage, we look and analyze the accomplishments of our lives. If we see our lives as unproductive or dissatisfied, it will lead to despair. Therefore, isolation or stagnation in earlier adulthood will lead to dissatisfied memories in later adulthood.

answer; through play and social interaction;