Excerpt from National Institute of Child Health and Human Development, Annual Report, Vol. 2: July 1, 1975 Through June 30, 1976, Intramural Research ProgramsIn recent years considerable attention has been given to the infant's earliest social relationships, particularly his attach ment to his mother. A large number of techniques and many different indexes have been usei to stuiy this early Focusel relationship. There are many theories of the origins of attach ment, some maintaining that it is largely instinctive, rootsi in the human infant's helplessness, an1 therefore essential For his survival. Others hold that the infant's tie to the mother is learned, an1 that it evolves through the infant's earliest interactions with people who provide nurturance.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.