title: Cognitive changes during the adult years: implications for developmental theory and research.
mesh_terms: D000293:Adolescent; D000368:Aged; D002648:Child; D002657:Child Development; D003071:Cognition; D006801:Humans; D008016:Life Change Events; D011581:Psychological Tests; D011582:Psychological Theory; D012043:Regression, Psychology; D013647:Task Performance and Analysis