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

Evaluating Public Sentiment on Attention-Deficit/Hyperactivity Disorder and Autism Spectrum Disorder Compared With Other Mental Health Disorders From Posts on X (Formerly Known as Twitter): Longitudinal Analysis.

BACKGROUND: Neurodevelopmental disorders, especially attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD), have seen a marked rise in public attention, yet research on pu…

Polarisation politique et co-présence sociale numérique
Tiosso, B. a. t. i. s. t. e. t. t. i. . V., Sanchez, F. G., Varaona, A., Lara-Abelenda, F., Pinto, d. a. . C. o. s. t. a. . M., Chart-Pascual, J. P., Rodriguez-Quiroga, A., Quintero, J., & Alvarez-Mon, M. A. (2026). Evaluating Public Sentiment on Attention-Deficit/Hyperactivity Disorder and Autism Spectrum Disorder Compared With Other Mental Health Disorders From Posts on X (Formerly Known as Twitter): Longitudinal Analysis.. JMIR Infodemiology, 6, e74440. https://doi.org/10.2196/74440
09/04/2026 Lire →

Mapping the political landscape from data traces: Multidimensional opinions of users, politicians and media outlets on X.

Studying political activity on social media often requires defining and measuring political stances of users or content. Relevant examples include the study of opinion polarization, or the study of po…

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Vendeville, A., Royo-Letelier, J., Cassells, D., Cointet, J. P., Crépel, M., Faverjon, T., Lenoir, T., Mazoyer, B., Ooghe-Tabanou, B., Pournaki, A., Yamashita, H., & Ramaciotti, P. (2026). Mapping the political landscape from data traces: Multidimensional opinions of users, politicians and media outlets on X.. Data Brief, 65, 112615. https://doi.org/10.1016/j.dib.2026.112615
01/04/2026 Lire →

The political effects of X's feed algorithm.

Feed algorithms are widely suspected to influence political attitudes. However, previous evidence from switching off the algorithm on Meta platforms found no political effects. Here we present results…

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Gauthier, G., Hodler, R., Widmer, P., & Zhuravskaya, E. (2026). The political effects of X's feed algorithm.. Nature, 652(8109), 416-423. https://doi.org/10.1038/s41586-026-10098-2
01/04/2026 Lire →

"It's a complicated issue": exploring perspectives on Reddit from 2016 to 2024 about the American Psychiatric Association's Goldwater Rule and the ethics of public-professional mental health commentary.

INTRODUCTION: The American Psychiatric Association’s (APA) Goldwater Rule prohibits its member-psychiatrists from offering professional opinions on an individual’s mental health without direct evaluat…

Polarisation politique et co-présence sociale numérique
Smith, A., Graña, J., Bhugra, D., Oquendo, M. A., Buadze, A., Ventriglio, A., & Liebrenz, M. (2026). "It's a complicated issue": exploring perspectives on Reddit from 2016 to 2024 about the American Psychiatric Association's Goldwater Rule and the ethics of public-professional mental health commentary.. BMC Med Ethics, 27(1). https://doi.org/10.1186/s12910-026-01447-x
30/03/2026 Lire →

[New forms of vaccine hesitancy in the post-COVID-19 era: a qualitative study].

OBJECTIVE: This study analyzes the arguments underlying hesitation to receive any COVID-19 vaccine and how these discourses may have evolved throughout the pandemic.METHOD: An exploratory, descriptive…

Polarisation politique et co-présence sociale numérique
Cruz-Piqueras, M., Hortal-Carmona, J., & Massó, G. u. i. j. a. r. r. o. . E. (2026). [New forms of vaccine hesitancy in the post-COVID-19 era: a qualitative study].. Gac Sanit, 40, 102586. https://doi.org/10.1016/j.gaceta.2026.102586
26/03/2026 Lire →

Emotionally aligned and structurally sorted: How opinion groups divide on climate and asylum. 📖 En lecture

Comprehensive evidence on affective polarization stems from bipartisan political systems with well-defined partisan identities and unidimensional measures of ingroup favoritism and outgroup dislike, w…

Polarisation politique et co-présence sociale numérique
Dametto, D., Hechler, S., & von, S. c. h. e. v. e. . C. (2026). Emotionally aligned and structurally sorted: How opinion groups divide on climate and asylum.. PNAS Nexus, 5(3), pgag051. https://doi.org/10.1093/pnasnexus/pgag051
01/03/2026 Lire →

Asymmetric polarization: The perception that Republicans pose harm to disadvantaged groups drives Democrats' greater dislike of Republicans in social contexts.

Given growing political polarization in recent years, partisan dislike-defined as the negativity that individuals display at the prospect of having close social relations with supporters of the other …

Polarisation politique et co-présence sociale numérique
Nair, K., Anderson, R. A., Spelman, T., Mosleh, M., & Kouchaki, M. (2026). Asymmetric polarization: The perception that Republicans pose harm to disadvantaged groups drives Democrats' greater dislike of Republicans in social contexts.. J Pers Soc Psychol, 130(3), 529-549. https://doi.org/10.1037/pspi0000495
01/03/2026 Lire →

Natural language reveals that political partisans are more affectively aligned over political issues than partisan identities.

Affective polarization, defined as the dislike between opposing political groups, is a growing global threat. While much of the focus has been on partisan identities, political divisions may also be d…

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Rim, N., Jackson, J. C., Berman, M. G., & Leong, Y. C. (2026). Natural language reveals that political partisans are more affectively aligned over political issues than partisan identities.. Commun Psychol, 4(1). https://doi.org/10.1038/s44271-026-00430-x
26/02/2026 Lire →

Political ideology as a predictor of conservation attitudes: Mechanisms and implications.

Political ideology is increasingly shaping public attitudes toward environmental conservation; however, empirical research linking political beliefs and biodiversity conservation remains limited. This…

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Ghasemi, B., & Bruskotter, J. T. (2026). Political ideology as a predictor of conservation attitudes: Mechanisms and implications.. Ambio. https://doi.org/10.1007/s13280-026-02352-8
20/02/2026 Lire →

Rating our certainty: how confidence judgments amplify belief polarization.

Although metacognitive reflection (e.g., thinking about our confidence or certainty in a decision) is often assumed to improve decision-making, recent research suggests that eliciting confidence ratin…

Polarisation politique et co-présence sociale numérique
Double, K. S., Pinkus, R. T., Landfear, R., Carnegie, P., Dowell, S., & Goldwater, M. B. (2026). Rating our certainty: how confidence judgments amplify belief polarization.. Psychol Res, 90(1), 25. https://doi.org/10.1007/s00426-026-02239-z
07/02/2026 Lire →

Behavioral Dynamics of AI Trust and Health Care Delays Among Adults: Integrated Cross-Sectional Survey and Agent-Based Modeling Study.

BACKGROUND: While artificial intelligence (AI) holds significant promise for health care, excessive trust in these tools may unintentionally delay patients from seeking professional care, particularly…

Polarisation politique et co-présence sociale numérique
Cai, X., Li, W., Shi, W., Cai, Y., & Zhou, J. (2026). Behavioral Dynamics of AI Trust and Health Care Delays Among Adults: Integrated Cross-Sectional Survey and Agent-Based Modeling Study.. J Med Internet Res, 28, e82170. https://doi.org/10.2196/82170
03/02/2026 Lire →

LLMs Can Fuel Extremist Attitudes Using Universal Moral Framings.

Social media influence campaigns are thought to sway public opinion, particularly during election campaigns and national crises. These campaigns are often based on generative artificial intelligence t…

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Hendricks, R. C., Gil-Buitrago, H., & Pretus, C. (2026). LLMs Can Fuel Extremist Attitudes Using Universal Moral Framings.. Ann N Y Acad Sci, 1556(1), e70214. https://doi.org/10.1111/nyas.70214
01/02/2026 Lire →