title: The "stimulus barrier." A review and reconsideration.
mesh_terms: D000223:Adaptation, Psychological; D002657:Child Development; D003674:Defense Mechanisms; D005619:Freudian Theory; D006706:Homeostasis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn / Q000523:psychology*; D010812:Physical Stimulation; D011574:Psychoanalytic Theory; D011582:Psychological Theory; D002666:Psychology, Child; D012677:Sensation