1856-1939 1890-1973 1896-1980 1998i-865 amnesia bodyimageinchildren bullying child childdevelopment childpsychology cognitioninchildren drawing emotions emotionsinchildren freud genderidentity gravitysensing identity(psychology)inchildren infant interpersonalrelations interpersonalrelationsinchildren jean lowenfeld margaret memory middleschools middleschoolstudents piaget playtherapy psychologyof psychotherapy reading(elementary) schools self-esteeminchildren self-perception selfconcept sexdifferences(psychology)inchildren sigmund socialinteractioninchildren spaceperceptioninchildren spatialbehavior