chapter  6
28 Pages

The Development of Adult Cognition: Understanding Constancy and Change in Adult Learning

ByDiane F. Halpern

For much of the history of psychology, adulthood was treated as though it were a relatively uninteresting developmental plateau that followed the rapid rise in physical and cognitive development of adolescence and preceded the steady decline that led to old age and death. The most influential developmental psychologists of the 20th century must have believed that psychological development was halted before most people reached their adult height. For the eminent Swiss developmental psychologist Jean Piaget (1952), final stages of cognitive development were achieved before the adult years were reached.