Bibliothèque

The effects of political advertising on Facebook and Instagram before the 2020 US election.

We study the effects of social media political advertising by randomizing subsets of 36,906 Facebook users and 25,925 Instagram users to have political ads removed from their news feeds for 6 weeks be…

Allcott, H., Gentzkow, M., Levy, R., Crespo-Tenorio, A., Dumas, N., Mason, W., Moehler, D., Barberá, P., Brown, T., Cisneros, J. C., Dimmery, D., Freelon, D., González-Bailón, S., Guess, A. M., Kim, Y. M., Lazer, D., Malhotra, N., Nair-Desai, S., Nyhan, B., … Tucker, J. A. (2026). The effects of political advertising on Facebook and Instagram before the 2020 US election.. Nat Hum Behav, 10(5), 884-895. https://doi.org/10.1038/s41562-025-02328-w

01/05/2026 Lire →

Eye of the beholder: Pupillary response reflects how subjective prior beliefs shape reinforcement learning with fake news.

Information selection plays a crucial role in how individuals navigate online content. While confirmation bias has been implicated in this phenomenon, its interaction with reinforcement learning dynam…

Biais de confirmation et polarisation politique

Lozito, S., Piga, V., Lo, P. r. e. s. t. i. . S., Scuderi, A., Doricchi, F., Silvetti, M., & Lasaponara, S. (2026). Eye of the beholder: Pupillary response reflects how subjective prior beliefs shape reinforcement learning with fake news.. Proc Natl Acad Sci U S A, 123(16), e2518776123. https://doi.org/10.1073/pnas.2518776123

21/04/2026 Lire →

Why do Public Debates Escalate? Trigger Points and the Moral Dynamics of "Hot Politics".

Escalating, emotionally charged, and moralized forms of controversy are a central feature of contemporary politics. Our study develops a framework for understanding how political debates between ordin…

Westheuser, L., Lux, T., & Mau, S. (2026). Why do Public Debates Escalate? Trigger Points and the Moral Dynamics of "Hot Politics".. Br J Sociol. https://doi.org/10.1111/1468-4446.70115

15/04/2026 Lire →

Digital Discourse, Secondary Victimization, and Psychological Harm: Mixed-Methods Analysis of System Justification in the #MeToo Movement.

BACKGROUND: The #MeToo movement, initiated in 2006 and amplified on social media in 2017, mobilized women worldwide to share experiences of sexual harassment and assault online. While the movement inc…

Parekh, H., Thakkar, S., Bhatt, P., & Akello, P. (2026). Digital Discourse, Secondary Victimization, and Psychological Harm: Mixed-Methods Analysis of System Justification in the #MeToo Movement.. J Med Internet Res, 28, e75533. https://doi.org/10.2196/75533

09/04/2026 Lire →

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…

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 →

A visual perceptual perspective on gaze in social robotics.

Where and when should a robot look during interaction with humans? Intuitively, human-human interaction serves as the blueprint. In such interactions, gaze plays a central role, both in visually guidi…

Hessels, R. S., & Fang, Y. (2026). A visual perceptual perspective on gaze in social robotics.. Psychon Bull Rev, 33(4). https://doi.org/10.3758/s13423-026-02902-x

02/04/2026 Lire →

The Joint Attention Grouping Effect: Perceptual Binding of Observed Social Interactions.

The visual system may perceptually process conspecifics more efficiently when they are interacting, versus not, to support social cognitive functions such as group detection. In three experiments, you…

Numérique : perception de la présence d'autres individus dans un environnement numérique sans interaction

McDonough, K. L., Edwards, S. G., Ewing, L., & Bayliss, A. P. (2026). The Joint Attention Grouping Effect: Perceptual Binding of Observed Social Interactions.. Q J Exp Psychol (Hove), 79(4), 985-998. https://doi.org/10.1177/17470218251396955

01/04/2026 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

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

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 →

Exploring nutritional myths and fake news: Impact and counteractions.

BACKGROUND & AIMS: The rapid expansion of digital platforms has transformed access to health information, but has simultaneously accelerated the spread of nutritional misinformation. Misleading dietar…

Biais de confirmation et polarisation politique

Capocasa, M., Venier, D., Venier, B., & Chiarla, C. (2026). Exploring nutritional myths and fake news: Impact and counteractions.. Clin Nutr ESPEN, 72, 102947. https://doi.org/10.1016/j.clnesp.2026.102947

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…

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…

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 →