Cultural-historical activity theory

Cultural-historical activity theory (CHAT) is a theoretical framework which helps to understand and analyse the relationship between the human mind (what people think and feel) and activity (what people do). It traces its origins to the founders of the cultural-historical school of Russian psychology L. S. Vygotsky and Aleksei N. Leontiev. Vygotsky's important insight into the dynamics of consciousness was that it is essentially subjective and shaped by the history of each individual's social and cultural experience. Especially since the 1990s, CHAT has attracted a growing interest among academics worldwide. Elsewhere CHAT has been defined as "a cross-disciplinary framework for studying how humans purposefully transform natural and social reality, including themselves, as an ongoing culturally and historically situated, materially and socially mediated process". Core ideas are: 1) humans act collectively, learn by doing, and communicate in and via their actions; 2) humans make, employ, and adapt tools of all kinds to learn and communicate; and 3) community is central to the process of making and interpreting meaning – and thus to all forms of learning, communicating, and acting.

The term CHAT was coined by Michael Cole and popularized by Yrjö Engeström to promote the unity of what, by the 1990s, had become a variety of currents harking back to Vygotsky's work.

CHAT traces its lineage to dialectical materialism, classical German philosophy, and the work of Lev Vygotsky, Aleksei N. Leontiev and Aleksandr Luria, known as "the founding troika" of the cultural-historical approach to Social Psychology. In a radical departure from the behaviorism and reflexology that dominated much of psychology in the early 1920s, they formulated, in the spirit of Karl Marx's Theses on Feuerbach, the concept of activity, i.e., "artifact-mediated and object-oriented action". By bringing together the notion of history and culture in the understanding of human activity, they were able to transcend the Cartesian dualism between subject and object, internal and external, between people and society, between individual inner consciousness and the outer world of society.Lev Vygotsky, who created the foundation of cultural-historical psychology, based on the concept of mediation, published six books on psychology topics during a working life which spanned only ten years. He died of TB in 1934 at the age of 38. A.N. Leont'ev worked with Lev Vygotsky and Alexandr Luria from 1924 to 1930, collaborating on the development of a Marxist psychology. Leontiev left Vygotsky's group in Moscow in 1931, to take up a position in Kharkov. There he was joined by local psychologists, including Pyotr Galperin and Pyotr Zinchenko. He continued to work with Vygotsky for some time but, eventually, there was a split, although they continued to communicate with one another on scientific matters. Leontiev returned to Moscow in 1934. Vygotsky's work was banned in Stalinist Russia in 1936 for twenty years for "bourgeois thinking". In 1950 A.N.Leontiev became the Head of the Psychology Department at the Faculty of Philosophy of the Lomonosov Moscow State University (MGU). This department became an independent Faculty in 1966 due mainly to his hard work. He remained there until his death in 1979. Leontiev's formulation of activity theory, post 1962, had become the new "official" basis for Soviet psychology. In the two decades between a thaw in the suppression of scientific enquiry in Russia and the death of the Vygotsky's continuers, contact was made with the West.

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