Papers | Human Nature Lab | Human Nature Lab at Yale

Realism Drives Interpersonal Reciprocity but Yields to AI-Assisted Egocentrism in a Coordination Experiment

6 | Artificial Intelligence (AI) , Breadboard Software , Cooperation , Experiment , Methodology , Public Goods

Citation:

Shirado, Kye Shimizu, Nicholas A Christakis, and Shunichi Kasahara. 2025. Realism Drives Interpersonal Reciprocity but Yields to AI-Assisted Egocentrism in a Coordination Experiment. In CHI Conference on Human Factors in Computing Systems (CHI ’25), April 26–May 01, 2025, Yokohama, Japan. ACM, New York, NY

Cognitive representations of social networks in isolated villages

11 | Friendship , Honduras , Indigenous Social Network , Genetics , LMIC , Methodology , Multiplex Network , NAC Favorite , Social Network , Sociocentric Network , Trellis Software

Citation:

Feltham, E., Forastiere, L. & Christakis, N.A. Cognitive representations of social networks in isolated villages. Nat Hum Behav (2025). https://doi.org/10.1038/s41562-025-02221-6

Antidepressant use in spatial social networks

5 | Geographic Effects , Happiness , Health Services Research , Online Network , Social Network

Citation:

Lengyel B, Tóth G, Christakis NA, Bíró A. Antidepressant use in spatial social networks. Sci Adv. 2024 Dec 6;10(49):eadr0302. doi: 10.1126/sciadv.adr0302. Epub 2024 Dec 6. PMID: 39642229; PMCID: PMC11623294.

Bringing leaders of network subgroups closer together does not facilitate consensus

5 | Breadboard Software , Experiment , Position Intervention , Social Network , Public Goods

Citation:

Matthew I. Jones, Nicholas A. Christakis. Bringing leaders of network subgroups closer together does not facilitate consensus. Scientific Reports, Dec 4;14(1):30183.

Gut Microbiome Strain-sharing within Isolated Village Social Networks (Nature, 2024)

14 | Friendship , Genetics , Global Health , Homophily , Honduras , Indigenous Social Network , Infectious Disease , LMIC , Microbiome , NAC Favorite , Nature , Social Network , Sociocentric Network , Trellis Software

Citation:

Beghini F, Pullman J, Alexander M, Shridhar SV, Prinster D, Singh A, Matute Juárez R, Airoldi EM, Brito IL, Christakis NA. Gut microbiome strain-sharing within isolated village social networks. Nature. 2025 Jan;637(8044):167-175. doi: 10.1038/s41586-024-08222-1. Epub 2024 Nov 20. PMID: 39567691; PMCID: PMC11666459.

Systematic review of methods to discern antagonistic ties in social networks in community settings

2 | Antagonistic Networks , Methodology

Citation:

Ana Lucia Rodriguez de la Rosa, Karina Raygoza Cortez, Alice Lu, Bianka Valentin, Amir Ghasemian, Nicholas Christakis. Systematic review of methods to discern antagonistic ties in social networks in community settings. Social Sciences & Humanities Open, Volume 10, 2024, 101039, ISSN 2590-2911.

Environmental, socioeconomic, and health factors associated with gut microbiome species and strains in isolated Honduras villages

10 | Biomarker , Cardiovascular Disease , Geographic Effects , Global Health , Honduras , Indigenous Social Network , LMIC , Mental Health , Microbiome , Trellis Software

Citation:

Shridhar SV, Beghini F, Alexander M, Singh A, Juárez RM, Brito IL, Christakis NA. Environmental, socioeconomic, and health factors associated with gut microbiome species and strains in isolated Honduras villages. Cell Reports. 2024 Jul 3;43(7):114442. doi: 10.1016/j.celrep.2024.114442. Epub ahead of print. PMID: 38968070.

Simple Autonomous Agents Can Enhance Creative Discovery in Human Groups

11 | Artificial Intelligence (AI) , Bots , Breadboard Software , Contagion Intervention , Experiment , Hybrid Systems , Methodology , NAC Favorite , Online Network , Social Contagion , Social Network

Citation:

Ueshima A, Jones MI, Christakis NA. Simple autonomous agents can enhance creative semantic discovery by human groups. Nature Communications. 2024 Jun 18;15(1):5212. doi: 10.1038/s41467-024-49528-y. PMID: 38890368; PMCID: PMC11189566.

The Structure and Function of Antagonistic Ties in Social Networks

9 | Antagonistic Networks , Honduras , LMIC , Maternal and Child Health (MNCH) , PNAS , Social Contagion , Social Network , Sociocentric Network , Trellis Software

Citation:

Ghasemian A, Christakis NA. The structure and function of antagonistic ties in village social networks. Proceedings of the National Academy of Science of the United States of America (PNAS). 2024 Jun 25;121(26):e2401257121. doi: 10.1073/pnas.2401257121. Epub 2024 Jun 18. PMID: 38889155; PMCID: PMC11214085.

Maternal and Child Health Interventions to Promote Behavior Change: A Population-Level Cluster-Randomized Controlled Trial in Honduras

9 | Experiment , Global Health , Honduras , LMIC , Maternal and Child Health (MNCH) , Methodology , RCT , Social Network , Trellis Software

Citation:

Oles W, Alexander M, Negron R, et al. Maternal and child health intervention to promote behaviour change: a population-level cluster-randomised controlled trial in Honduras. BMJ Open 2024;14:e060784. doi:10.1136/ bmjopen-2022-060784