"This series of papers is the result of a conference ... held by the New York Academy of Sciences on April 28, 29, and 30, 1976." Includes bibliographical references.

Introduction : how deep the roots? / R.W. Reiber, Kurt Salzinger -- The influence of Gestalt psychology in America / Mary Henle -- Wilhelm Wundt and early American psychology : a clash of two cultures / Arthur L. Blumenthal -- The vicissitudes of Fechnerian psychophysics in America / Helmut E. Adler -- William Stern and American psychology : a preliminary analysis of contributions and contexts / Francis P. Hardesty -- Francis Galton and American psychology / Solomon Diamond -- The European roots of American psychology : questions of import / Wolfgang G. Bringmann -- Discussion / Julian Jaynes, moderator -- Nineteenth century institutional mental care / Norman Dain -- Isaac Ray and mental hygiene in America / Jacques M. Quen -- Benjamin Rush and mental health / Eric T. Carlson -- From speculation to empiricism in the study of mental disorder : research at the New York State Psychiatric Institute in the first half of the twentieth century / David Zubin and Joseph Zubin -- Discussion / Virginia Staudt Sexton, moderator -- The temporalization of ego and society during the nineteenth century : a view from the top / Thom Verhave, Willem van Hoorn -- Developmental psychology and the self / John M. Broughton, Klaus F. Riegel -- Lotze, the self, and American psychology / William R. Woodward -- Nineteenth and twentieth century trends in the psychology of the self / David L. Krantz, discussant -- Discussion / John A. Popplestone, moderator -- Thomas C. Upham and the making of an indigenous American psychology / R.W. Rieber -- Socioeconomic factors and the roots of American psychology : 1865-1914, an exploratory essay / Willem van Hoorn, Thom Verhave -- Political factors in the development of American psychology / David Bakan -- The fortunes of a basic Darwinian idea : chance / Howard E. Gruber -- Discussion of part IV. A. / Rand Evans, moderator -- Discussion of part IV. B. / Ethel Tobach, moderator -- William Thornton, an eighteenth century American psycholinguist : background and influence / Jeffrey Wollock -- American psycholinguistics in the nineteenth century / Ryan D. Tweney -- On Cartesian linguistics / John Sullivan -- The Sapir-Whorf hypothesis in historical perspective / James H. Stam -- Discussion / Michael Wertheimer, moderator -- Henry A. Murray / R.W. Rieber -- Indispensables for the making, testing, and remaking of a personological system / Henry A. Murray -- Genetic epistemology and developmental psychology / Bärbel Inhelder -- In tribute to Piaget : a look at his scientific impact in the United States / Gilbert Voyat -- Some recent research and its link with a new theory of groupings and conservations based on commutability / Jean Piaget -- B.F. Skinner / Kurt Salzinger -- The experimental analysis of operant behavior / B.F. Skinner -- Discussion / Robert W. Rieber, Kurt Salzinger, and Gilbert Voyat, moderators -- Epilogue : Sitzfleisch, the Zeitgeist, and the Hindsightgeist / Kurt Salzinger.