Tuesday, January 12, 2021

Botox for crow feet wrinkles: Smiles were rated as being happier, more felt, more spontaneous, & more intense than those posed by the same patients under the same conditions & instructions in post-treatment photographs

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A Novel Test of the Duchenne Marker: Smiles After Botulinum Toxin Treatment for Crow’s Feet Wrinkles. Nancy Etcoff, Shannon Stock, Eva G. Kr...

What is remarkable is that, in both studies, those who lean left were more inclined to unfriend someone after a political disagreement than those who lean right

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Neubaum G, Cargnino M, Winter S, Dvir-Gvirsman S (2021) “You’re still worth it”: The moral and relational context of politically motivated u...
Monday, January 11, 2021

The brain: Different expert systems propose strategies for action, keeping track of the precision of the predictions within each system, exerting control over many different expert systems simultaneously to produce sophisticated behavior

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Why and how the brain weights contributions from a mixture of experts. John P. O’Doherty et al. Neuroscience & Biobehavioral Reviews, Ja...

Our results suggest that the theory cannot fully explain human aesthetic responses to flowers and clear preferences for them

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Hula, M., & Flegr, J. (2021). Habitat Selection and Human Aesthetic Responses to Flowers. Evolutionary Human Sciences, 1-49. doi:10.1017...

Sexual prejudice toward gays is rooted in working-class experiences; contrary to mainstream ideas, social class matters in contemporary society, the relationship is not spurious, & education is not the main issue

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Class Foundations of Sexual Prejudice toward Gay and Lesbian People. Stef Adriaenssens, Jef Hendrickx & Johanna Holm. Sexuality Research...

Chimpanzees stopped bartering when the human no longer mediated the trade; the authors think that the issue holding them back was an inability to trust their partners & a lack of third party enforcement mechanisms

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What behaviour in economic games tells us about the evolution of non-human species' economic decision-making behaviour. Sarah F. Brosnan...
Sunday, January 10, 2021

After group conversations, people underestimated how much they were liked by others; people focus on negative aspects of the impressions they make on others

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The liking gap in groups and teams. Adam M. Mastroianni et al. Organizational Behavior and Human Decision Processes, Volume 162, January 202...

Acquisition of object-robbing behavior in macaques: After stealing inedible & more or less valuable objects from humans, they appear to use them as tokens, by returning them to humans in exchange for food

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Acquisition of object-robbing and object/food-bartering behaviours: a culturally maintained token economy in free-ranging long-tailed macaqu...

The origins of human variation in human economic behaviour: Comparative studies of other primates can help disentangle the relative role of shared biological processes vs human-unique cultural influences in risk preferences

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Variation in primate decision-making under uncertainty and the roots of human economic behaviour. Francesca De Petrillo and Alexandra G. Ros...