Activity and reality.
D000328:Adult; D002648:Child; D002675:Child, Preschool; D003861:Depersonalization; D005260:Female; D006801:Humans; D007060:Id; D007223:Infant; D007989:Libido; D008297:Male; D009289:Narcissism; D011606:Psychosexual Development; D012649:Self Concept