Contents: 1. Prerequisites. p. 6 -- 2. A sociological approach to mind. p. 18 -- 3. Beyond Vygotsky: Bakhtin's contribution. p. 46 -- 4. The multivoicedness of meaning. p. 67 -- 5. The heterogeneity of voices. p. 93 -- 6. Sociocultural setting, social languages, and mediated action. p. 119. Incluye: Referencias bibliográficas. -- Corresponde al suministro no. 33578