Envy shapes social hierarchies. To protect their rank, envied persons react to the threat posed by enviers. Doing so requires that envied persons initially perceive who envies them. However, a common perspective is that envy lacks a unique expression and that enviers disguise their experience, preventing the social perception of envy. In contrast to this perspective, recent evidence indicates that observers perceive benign and malicious forms of envy accurately when they can integrate information about targets. These findings suggest that observers infer envy based on multiple, contextual cues. We hypothesized that observers infer envy from facial and bodily expressions in comparison situations. Specifically, observers should infer benign envy when a target, who encounters an advantaged person, turns with disappointment toward the advantage. Conversely, observers should infer malicious envy when the target turns with anger toward the advantaged person. Three preregistered studies tested these hypotheses (total = 693). In Studies 1 and 2, targets turned with an emotional or neutral expression either toward a person silhouette or a valuable object, and participants rated targets' envy. In Study 3, participants performed the same task with more realistic stimuli. Across studies, emotional display and head turning had independent effects on inferences of benign and malicious envy. Furthermore, observers inferred envy more when the target expressed an emotion instead of remaining neutral. We discuss how the results inform research on the social perception of envy. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
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Front Comput Neurosci
December 2024
Department of Engineering and Architecture, Ghent University/IMEC, Ghent, Belgium.
Inspired by animal navigation strategies, we introduce a novel computational model to navigate and map a space rooted in biologically inspired principles. Animals exhibit extraordinary navigation prowess, harnessing memory, imagination, and strategic decision-making to traverse complex and aliased environments adeptly. Our model aims to replicate these capabilities by incorporating a dynamically expanding cognitive map over predicted poses within an active inference framework, enhancing our agent's generative model plasticity to novelty and environmental changes.
View Article and Find Full Text PDFFood Sci Nutr
December 2024
The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Provincial Engineering Research Center of Ecological Food Innovation, Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, School of Public Health Guizhou Medical University Guiyang Guian New Area China.
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View Article and Find Full Text PDFLancet Digit Health
January 2025
Biomedical Engineering Department, Duke University, Durham, NC, USA; Biostatistics and Bioinformatics Department, Duke University, Durham, NC, USA. Electronic address:
Background: Longitudinal digital health studies combine passively collected information from digital devices, such as commercial wearable devices, and actively contributed data, such as surveys, from participants. Although the use of smartphones and access to the internet supports the development of these studies, challenges exist in collecting representative data due to low adherence and retention. We aimed to identify key factors related to adherence and retention in digital health studies and develop a methodology to identify factors that are associated with and might affect study participant engagement.
View Article and Find Full Text PDFJ Thromb Thrombolysis
December 2024
School of Public Health, Guangxi Medical University, 22 Shuangyong Road, Nanning, Guangxi, 530021, China.
Growing evidence suggests inflammatory bowel disease (IBD) is linked to ischemic stroke (IS); however, the results are inconclusive. Therefore, it remains uncertain whether the association between IBD and IS is causal. Herein, we performed a bidirectional Mendelian randomization (MR) study to examine the causal association of IBD with IS.
View Article and Find Full Text PDFPolarization ellipses are well-known as the result of coherent superposition of photonic spin states. As orbital counterparts, in this Letter, we introduce centroid ellipses that are geometrically mapped from optical orbital angular momentum (OAM) superpositions on a modal Poincaré sphere (PS) by coaxial interference. Different from not easily observable polarization ellipses, these centroid ellipses can be directly observed from dynamical interferograms with broken rotational symmetry.
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