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Language and life history: A new perspective on the development and evolution of human language
2006
Behavioral and Brain Sciences
It has long been claimed that Homo sapiens is the only species that has language, but only recently has it been recognized that humans also have an unusual pattern of growth and development. Social mammals have two stages of pre-adult development: infancy and juvenility. Humans have two additional prolonged and pronounced life history stages: childhood, an interval of four years extending between infancy and the juvenile period that follows, and adolescence, a stage of about eight years that
doi:10.1017/s0140525x0600906x
fatcat:3dg3oe5u3vhe7pxqi2ydpzmaeu