Modern investigation into the role of novelty in emotion and thought began with the Russians-E.N. Sokolov, O. Vinogradova, A.R. Luria (and, more recently, E. Goldberg)- who adopted an approach to human function that is in many ways unique. Their tradition apparently stems from Pavlov, who viewed the reflex arc as a phenomenon of central importance, and from the Marxist intellectual legacy, which regarded work-creative action-as the defining feature of man. Whatever the specific historical precedents, it is most definitely the case that the Russians have regarded motor output and its abstract
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