Play and adaptation.
D000223:Adaptation, Psychological; D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005201:Fantasy; D006803:Human Development; D006801:Humans; D007223:Infant; D008875:Middle Aged; D010988:Play and Playthings; D011574:Psychoanalytic Theory