Intelligence, Expertise, and Cognitive Adaptation in Adulthood — Summary of Chapter 21 from The Developing Person
Intelligence, Expertise, and Cognitive Adaptation in Adulthood — Summary of Chapter 21 from The Developing Person Chapter 21 of The Developing Person Through the Life Span offers a nuanced perspective on adult cognition, challenging traditional beliefs about age-related decline in intelligence. This chapter highlights how intelligence evolves, the distinct roles of fluid and crystallized abilities, and the value of expertise. It also introduces concepts like selective optimization with compensation , which help explain how adults maintain cognitive performance over time. 🎥 Watch the full chapter summary above and subscribe to Last Minute Lecture for more podcast-style breakdowns of leading psychology textbooks. How Intelligence Changes in Adulthood In the past, intelligence was assumed to decline steadily with age. However, longitudinal research like the Seattle Longitudinal Study has shown that many adults maintain or even improve certain intellectual abilities over ti...