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The term [[infant ]] [[development ]] refers to the [[processes ]] of [[psychic ]] organization and transformation that lead the preverbal infant from absolute dependency to the earliest integrations of the ego during the first year of [[life]].

By studying the "[[psychical ]] [[apparatus]]" in its [[structures]], functioning, and development, Sigmund [[Freud ]] established facts and proposed hypotheses that are indispensable to the study of early development. Freud's newborn is a [[being ]] in a [[state ]] of [[helplessness ]] ([[Hilflosigkeit]]) whose development requires that a...