1,168 research outputs found

    American Power and International Theory at the Council on Foreign Relations, 1953-54

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    Between December 1953 and June 1954, the elite think-tank the Council on Foreign Relations (CFR) joined prominent figures in International Relations, including Pennsylvania’s Robert Strausz-Hupé, Yale’s Arnold Wolfers, the Rockefeller Foundation’s William Thompson, government adviser Dorothy Fosdick, and nuclear strategist William Kaufmann. They spent seven meetings assessing approaches to world politics—from the “realist” theory of Hans Morgenthau to theories of imperialism of Karl Marx and V.I. Lenin—to discern basic elements of a theory of international relations. The study group’s materials are an indispensable window to the development of IR theory, illuminating the seeds of the theory-practice nexus in Cold War U.S. foreign policy. Historians of International Relations recently revised the standard narrative of the field’s origins, showing that IR witnessed a sharp turn to theoretical consideration of international politics beginning around 1950, and remained preoccupied with theory. Taking place in 1953–54, the CFR study group represents a vital snapshot of this shift This book situates the CFR study group in its historical and historiographical contexts, and offers a biographical analysis of the participants. It includes seven preparatory papers on diverse theoretical approaches, penned by former Berkeley political scientist George A. Lipsky, followed by the digest of discussions from the study group meetings. American Power and International Theory at the Council on Foreign Relations, 1953–54 offers new insights into the early development of IR as well as the thinking of prominent elites in the early years of the Cold War

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    Brightness induction and suprathreshold vision: Effects of age and visual field

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    AbstractA variety of visual capacities show significant age-related alterations. We assessed suprathreshold contrast and brightness perception across the lifespan in a large sample of healthy participants (N=155; 142) ranging in age from 16 to 80years. Experiment 1 used a quadrature-phase motion cancelation technique (Blakeslee & McCourt, 2008) to measure canceling contrast (in central vision) for induced gratings at two temporal frequencies (1Hz and 4Hz) at two test field heights (0.5° or 2°×38.7°; 0.052c/d). There was a significant age-related reduction in canceling contrast at 4Hz, but not at 1Hz. We find no age-related change in induction magnitude in the 1Hz condition. We interpret the age-related decline in grating induction magnitude at 4Hz to reflect a diminished capacity for inhibitory processing at higher temporal frequencies. In Experiment 2 participants adjusted the contrast of a matching grating (0.5° or 2°×38.7°; 0.052c/d) to equal that of both real (30% contrast, 0.052c/d) and induced (McCourt, 1982) standard gratings (100% inducing grating contrast; 0.052c/d). Matching gratings appeared in the upper visual field (UVF) and test gratings appeared in the lower visual field (LVF), and vice versa, at eccentricities of ±7.5°. Average induction magnitude was invariant with age for both test field heights. There was a significant age-related reduction in perceived contrast of stimuli in the LVF versus UVF for both real and induced gratings
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