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Aragno, A. (2005) THE FIRST IDEA: HOW SYMBOLS, LANGUAGE, AND INTELLIGENCE EVOLVED FROM OUR PRIMATE ANCESTORS TO MODERN HUMANS. By Stanley I. Greenspan, M.D., and Stuart G. Shanker, D.Phil. Cambridge, MA: DaCapo Press, 2004. 504 pp.. Psychoanalytic Quarterly 74:1154-1164