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Posts by Antoine Marie PhD

The victory of the opposition in Hungary yesterday, like the Polish election in 2023, is a victory for democracy, not just in Europe but around the world.

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Propagations Émission dans Politique · Chaque semaine · Autour de nous, des batailles silencieuses font rage. Pas de mouvements de troupes visibles, mais des rĂ©cits propagĂ©s, des croyances fabriquĂ©es, des Ă©lĂ©ments de langage amplifiĂ©s. Ces attaques ont pou


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Le dernier épisode de @propagationspod.bsky.social

Au micro de @guillaumeled.it @a-marie-sci.bsky.social décortique les ressorts psychologiques qui font que la désinformation fonctionne: non pas malgré notre intelligence, mais souvent grùce à elle.
podcasts.apple.com/fr/podcast/p...

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That humans do reciprocal exchange is intuitive, but not that the function of pro social/moral behavior is to have a good reputation. This is profoundly counterintuitive for most people, including my mum and students, and a landmark of evolutionary psychology. Read Baumard et al 2013, BBS

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open.substack.com/pub/antoinem...

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New post on my Substack summarizing our ambitious cross-national study of online hostility, published in @nature.com Nature Human Behavior - with @boralexander.bsky.social @m-b-petersen.bsky.social @leapradella.bsky.social

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I won't respondent to ad hominem critiques. My point was about Trivers' theoretical achievements. I'm uninformed about his personal life.

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Social media users experience more political hostility in less economically equal and less democratic societies - Nature Human Behaviour Drawing on survey data from 30 countries, Bor et al. find that online political hostility is higher in more unequal and less democratic societies.

🚹 New in Nature Human Behaviour: www.nature.com/articles/s41...

Many prior accounts of social media hostility focus on algorithms. With @boralexander.bsky.social, @a-marie-sci.bsky.social & @leapradella.bsky.social, we use data from 30 countries to focus on the role of societal conditions.

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The Psychology of Speech Repression Why do people across ideologies keep trying to silence dissent — and what does that reveal about the way our minds process threat, loyalty, and truth?

substack.com/home/post/p-...

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New post by me on @mchangama.bsky.social's substack The Bedrock Principle on “The psychology of speech repression”. Thanks Jacob Mchangama! Link below. 👇

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The fascinating insights of Robert Trivers From cooperation to conflict: the evolutionary grammar of social interactions

www.optimallyirrational.com/p/the-fascin...

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Robert Trivers, a theoretical genius and likely the Einstein of evolutionary biology, passed away. His theories of reciprocal altruism, parental investment, and self deception are among the deepest and most encompassing in the social sciences. Great post on them by @lionelpage.bsky.social

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See the work of my friends @sachaltay.bsky.social @hugoreasoning.bsky.social @danwphilosophy.bsky.social @PascalBoyer for similar takes on conspiracy theories and other types of hostile and weird beliefs

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Conspiracy theories aren't just cognitive by-products. They're also tools of political influence, albeit probably not the most efficient ones.

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‱ Russia's influence operations don't invent conspiracies from scratch — they amplify existing coalitional narratives about elites betraying the people. Romania 2024 is the textbook case.

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‱ Trump used hostile conspiracy theories against Democrats, journalists or climate change to signal his determination to embody an anti-establishment, anti-scientific expertise political camp. Same for other populist leaders like Bolsonaro, etc.

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The more outlandish the claim, the better it may work as a loyalty signal — precisely because it's costly to endorse.
Look at politics right now and this framework explains a lot:

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→ Signaling: expressing your loyalty to the ingroup by endorsing hostile, often improbable, costly-to-hold, esoteric beliefs about political enemies

→ Holding the conspiracy theories sincerely may help reach those social goals

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Political groups bind around hard-to-falsify narratives about political opponents secretly exploiting the public. These narratives serve at least two functions:

→ Mobilization: rallying allies by amplifying perceived threats, and coordinating an already existing motivation to act

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The core argument: political conspiracy theories aren't just cognitive failures or the product of hyper-sensitive threat-detection mechanisms. They're also coalitional tools.

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Our paper just hit 50 citations 🎯: "Political conspiracy theories as tools for mobilization and signaling", Current Opinion in Psychology, 2022, with @m-b-petersen.bsky.social
www.sciencedirect.com/science/arti...

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Force à nos candidats et représentants politiques de couleur, en ces temps troublés. La France a besoin d'eux pour représenter sa diversité.

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Je ne parviens pas à savoir si ces pensées racistes ont réellement *augmenté* en nombre depuis 15 ans (avec les succÚs électoraux du RN), ou si c'est principalement les réseaux digitaux qui permettent maintenant à ces sentiments de s'exprimer.

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« Quand l’extrĂȘme droite est traitĂ©e comme respectable, les racistes deviennent respectables »
« Quand l’extrĂȘme droite est traitĂ©e comme respectable, les racistes deviennent respectables » YouTube video by Mediapart

Compte rendu saisissant par @mediapart.fr des nombreuses attaques racistes dont ont été la cible des candidats locaux racisés en France. youtube.com/watch?v=yAyB...

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MĂȘme si l’explosion des technologies digitales (et derniĂšrement, l'IA gĂ©nĂ©rative) augmentent la force d'atteinte de la mĂ©sinformation et des discours polarisants, posant des dĂ©fis renouvelĂ©s Ă  la dĂ©mocratie, la cohĂ©sion sociale, et la convergence de l’opinion publique sur des faits communs.

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sont des phĂ©nomĂšnes socio-cognitifs anciens comme le monde, ancrĂ©s dans notre psychologie fondamentale d’animaux ultra-sociaux, inaptes Ă  apprĂ©hender beaucoup de nouveautĂ©s des sociĂ©tĂ©s de masse contemporaines.

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la pensĂ©e tribale "eux" vs. "nous", le raisonnement et l’ignorance motivĂ©e ; la difficultĂ© Ă  comprendre et Ă  respecter les points de vue politiques adverses ; les incitations rĂ©putationnelles Ă  tomber dans l’erreur pour s’aligner avec le groupe


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Les gens n’ont pas commencĂ© Ă  penser diffĂ©remment et ils manifestent des biais cognitifs parfaitement connus. L’inaccessibilitĂ© des faits sociaux Ă  la perception individuelle ; les manipulations de l’opinion Ă  base de rĂ©cits menaçants mais faux ou exagĂ©rĂ©s ;

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Post vérité AOC.pdf

Article AOC: drive.google.com/file/d/1Xaz3...

Interview: open.substack.com/pub/dirtypol...

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dans la maniĂšre dont les citoyens *raisonnent* et *communiquement* sur les sujets politiques depuis 10 ans.

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