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Polarização política no Brasil e redes sociais: uma análise do Twitter/X como formação de bolhas ideológicas
(Universidade Federal de São Carlos, 2026-06-15) Maiochi, Julia Eduarda; Ribeiro, Renilson Rosa; http://lattes.cnpq.br/4919452710416508; https://orcid.org/0000-0002-2809-1376
This study investigates the hypothesis that the use of Twitter/X contributes to the intensification of political polarization in Brazil by fostering the formation of ideological bubbles and the circulation of polarized content. Its main objective is to analyze how the platform’s algorithmic architecture influences the quality of public debate and democratic foundations within the Brazilian context. The research adopts a qualitative and interpretive approach, based on a bibliographic review of national and international academic literature in the fields of political communication, digital platforms, democracy, and polarization. The discussion is grounded in the concept of surveillance capitalism to understand how algorithmic personalization and the attention economy encourage homogeneous information environments, often referred to as echo chambers. The findings indicate that Twitter/X acts as a catalyst for political polarization by privileging emotionally engaging content and facilitating the circulation of polarized and disinformative narratives. It is concluded that the platform significantly contributes to the strengthening of rigid political identities and to the fragmentation of the democratic public sphere.
Democracia, comunicação científica e plataformas digitais: as artes como mediação ética e transformadora do conhecimento
(Universidade Federal de São Carlos, 2026-06-15) Manzini, Mariana; Ribeiro, Renilson Rosa; http://lattes.cnpq.br/4919452710416508; https://orcid.org/0000-0002-2809-1376; http://lattes.cnpq.br/2471152208842772
This article discusses the relationships between democracy, scientific communication, and the arts, analyzing how artistic practices can function as forms of mediation, humanization, and democratization of knowledge in contemporary contexts marked by structural inequalities and the logic of digital platforms. Drawing on an interdisciplinary approach, it brings together contributions from communication studies, sociology, philosophy, anthropology, and critical education to examine the effects of contemporary capitalism on emotions, knowledge production processes, and regimes of symbolic circulation. The text mobilizes the song “Marujo” by the band Puro Suco, as well as elements of Brazilian popular culture, especially the figure of Iara, as metaphors for the experience of knowledge understood as a collective journey, traversed by tensions, displacements, and possibilities of social transformation. It argues that scientific communication must move beyond strictly technical models, incorporating cultural, aesthetic, and emotional dimensions capable of broadening access to knowledge, strengthening democratic practices, and fostering more inclusive forms of social participation.