Final answer:
Joan Erickson added the concept of continued growth and development in late adulthood, going beyond the initially proposed 'integrity versus despair' to include aspects of gerotranscendence.
Step-by-step explanation:
Towards the end of their lives, Erik and Joan Erikson revisited the final stage in Erikson's theory of psychosocial development. Joan Erikson acknowledged that gerotranscendence, a term not explicitly used by the Eriksons but that aligns with the notions they expressed later in life, might be a component in this last stage. This term refers to an increase in introspection, a decrease in self-centeredness, and a greater sense of connection to the past and future generations. Consequently, Joan Erikson proposed that the final stage should include a continued development aspect, reflecting a nuanced approach to late adulthood, where there's potential for even more growth and development beyond integrity versus despair.