Individual adaptation in the middle years. A testing of faith in self and object constancy.
D000223:Adaptation, Psychological; D000375:Aging; D001288:Attention; D003863:Depression / Q000209:etiology / Q000628:therapy; D005190:Family; D005260:Female; D006117:Grief; D006801:Humans; D008297:Male; D008875:Middle Aged; D009769:Object Attachment; D012043:Regression, Psychology; D012649:Self Concept