Veille Scientifique étudiante concernant la cognition partagée (SharedCognition) et la polarisation politique

Alimenté par : Claudia Dapino Ponel, Madeline Desmurs

Cette application est une plateforme collaborative de veille scientifique permettant d'importer des publications depuis PubMed, de suivre leur lecture, d'en extraire les éléments méthodologiques clés (protocole, variables, résultats), et de constituer une synthèse structurée pour faciliter la réalisation de revues de littérature.

Dernière synchronisation : 13/09/2026

Polarisation politique et co-présence sociale numérique

Effets de la co-présence sur la polarisation politique

412 articles disponibles

political polarization AND (media OR news) AND (experiment OR study)
attitude polarization AND (information OR exposure) AND experiment
opinion polarization AND (media OR news) AND (attitudes OR judgment)
group polarization AND (decision OR discussion OR experiment)
political attitudes AND polarization AND experiment

Trends and associations between preferred institutional influence, expectations and emotional outcomes among adolescents in the US: Results from monitoring the future.

In the US, happiness is declining and dissatisfaction with the state of the nation is growing. At the same time, trust and support for several institutions (ranging from the government to the police, …

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Keyes, K. M., Kreski, N. T., & Prins, S. J. (2026). Trends and associations between preferred institutional influence, expectations and emotional outcomes among adolescents in the US: Results from monitoring the future.. Soc Sci Med, 391, 118915. https://doi.org/10.1016/j.socscimed.2025.118915
01/02/2026 Lire →

Framing the crisis: X/Twitter discourse on Ukrainian war refugees in Poland.

Social media play a crucial role in shaping public perceptions of migration during crises. This study examines how discourse on Ukrainians in Poland was framed on X/Twitter during the first year of Ru…

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Piróg, T., Olszowski, R., Pięta, P., & Masłyk, T. (2026). Framing the crisis: X/Twitter discourse on Ukrainian war refugees in Poland.. PLoS One, 21(5), e0346666. https://doi.org/10.1371/journal.pone.0346666
01/01/2026 Lire →

Regional and temporal patterns of partisan polarization during the COVID-19 pandemic in the United States and Canada.

During the COVID-19 pandemic, public health measures emerged as highly polarizing topics in online discourse, with debates intensifying around specific policy implementations and events. This study in…

Polarisation politique et co-présence sociale numérique
Yang, Z., Imouza, A., Puelma, T. o. u. z. e. l. . M., Amadoro, C., Desrosiers-Brisebois, G., Pelrine, K., Levy, S., Godbout, J. F., & Rabbany, R. (2026). Regional and temporal patterns of partisan polarization during the COVID-19 pandemic in the United States and Canada.. PLoS One, 21(4), e0347327. https://doi.org/10.1371/journal.pone.0347327
01/01/2026 Lire →

Vaccination in the Age of Memes: An Exploration of Digital Health Communication.

This study explores how internet memes serve as digital communication tools in public health discourse, influencing public perceptions by spreading both accurate and misleading health information. Uti…

Polarisation politique et co-présence sociale numérique
Coriasco, M., Thacker, A., & Van, S. o. n. . C. (2026). Vaccination in the Age of Memes: An Exploration of Digital Health Communication.. Nurs Inq, 33(1), e70079. https://doi.org/10.1111/nin.70079
01/01/2026 Lire →

Life, death, and 280 characters: a hashtag analysis of #AssistedSuicide on X (2015-2025).

BACKGROUND: Population aging and the growing prevalence of chronic diseases pose significant challenges to the global healthcare system and highlight the relevance of issues related to the end-of-life…

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Opriessnig, E., Litvinova, O., Ma, Z., Hua, Y., MohanaSundaram, A., Kletecka-Pulker, M., Atanasov, A. G., & Wochele-Thoma, T. (2026). Life, death, and 280 characters: a hashtag analysis of #AssistedSuicide on X (2015-2025).. Front Digit Health, 8, 1744855. https://doi.org/10.3389/fdgth.2026.1744855
01/01/2026 Lire →

Disciplining the digital public: Platform mechanisms and the dynamics of emotional polarization.

Digital platforms increasingly mediate political communication and public opinion formation, raising urgent questions about how Bigtech firms are associated with behavioral norm formation and affectiv…

Polarisation politique et co-présence sociale numérique
Lu, C., Qin, D., Huang, J., & Pang, B. (2026). Disciplining the digital public: Platform mechanisms and the dynamics of emotional polarization.. PLoS One, 21(8), e0342143. https://doi.org/10.1371/journal.pone.0342143
01/01/2026 Lire →

Political ideology, sociodemographic factors, and social media health information engagement among U.S. adults: evidence from HINTS 2024.

BACKGROUND: Social media platforms have become increasingly important sources of health-related information for the U.S. public. At the same time, political polarization and sociodemographic inequalit…

Polarisation politique et co-présence sociale numérique
Gao, J., & Windett, J. H. (2026). Political ideology, sociodemographic factors, and social media health information engagement among U.S. adults: evidence from HINTS 2024.. Front Digit Health, 8, 1883403. https://doi.org/10.3389/fdgth.2026.1883403
01/01/2026 Lire →

Social Media, Citizens' Distrust in the Government, and Misinformation During a National Crisis: An Experimental Test of a COVID-19 Case.

This study tests whether misinformation on social media undermines citizens' capability to perceive the factual public health information provided by the government during the pandemic and whether suc…

Polarisation politique et co-présence sociale numérique
Shin, G., & Rhee, Y. C. (2025). Social Media, Citizens' Distrust in the Government, and Misinformation During a National Crisis: An Experimental Test of a COVID-19 Case.. Health Commun, 1-15. https://doi.org/10.1080/10410236.2025.2606898
29/12/2025 Lire →

Testing the impact of fallacies and contrarian claims in climate change misinformation.

Climate misinformation reduces public acceptance of climate change and undermines support for mitigation policies. This study explored the impact of different types of climate misinformation, examinin…

Polarisation politique et co-présence sociale numérique
Lieu, R., Hayes, O. R., & Cook, J. (2025). Testing the impact of fallacies and contrarian claims in climate change misinformation.. Br J Psychol. https://doi.org/10.1111/bjop.70049
29/12/2025 Lire →

Firearm Violence and Health in Policymaker Discourse: Mixed Methods Social Media Analysis.

BACKGROUND: Since 2019, firearm violence has remained the leading cause of death for US children and adolescents aged 1-19 years. This crisis has spurred action from policymakers, health professionals…

Polarisation politique et co-présence sociale numérique
Ashok, V. A., Vervilles, W. J. K., Kellom, K. S., Chatterjee, A., Ntigbu, I., Boms, O., Szabo, A., Fein, J. A., Richmond, T. S., Purtle, J., Kearney, M. D., & Meisel, Z. F. (2025). Firearm Violence and Health in Policymaker Discourse: Mixed Methods Social Media Analysis.. JMIR Form Res, 9, e80397. https://doi.org/10.2196/80397
16/12/2025 Lire →

Disentangling participation in online political discussions with a collective field experiment.

Online political discussions are often dominated by a small group of active users, while most remain silent. This visibility gap can distort perceptions of public opinion and fuel polarization. Using …

Polarisation politique et co-présence sociale numérique
Oswald, L., Schulz, W. S., & Lorenz-Spreen, P. (2025). Disentangling participation in online political discussions with a collective field experiment.. Sci Adv, 11(50), eady8022. https://doi.org/10.1126/sciadv.ady8022
12/12/2025 Lire →

Leveraging complex network features improves vaccine stance classification.

The widespread use of social media allows unprecedented ways to monitor opinions and stances regarding critical public health issues globally. Advanced Natural Language processing algorithms are being…

Polarisation politique et co-présence sociale numérique
Durazzi, F., Barbieri, N., Faccin, M., Gore, D., & Remondini, D. (2025). Leveraging complex network features improves vaccine stance classification.. Sci Rep, 15(1), 43634. https://doi.org/10.1038/s41598-025-27487-8
08/12/2025 Lire →