Publications

Individual misinformation tagging reinforces echo chambers; Collective tagging does not

Fears about the destabilizing impact of misinformation online have motivated individuals and platforms to respond. Individuals have …

Junsol Kim, Zhao Wang, Haohan Shi, Hsin-Keng Ling, James Evans

AI-Augmented Surveys: Leveraging Large Language Models for Opinion Prediction in Nationally Representative Surveys

Large language models (LLMs) that produce human-like responses have begun to revolutionize research practices in the social sciences. …

Junsol Kim, Byungkyu Lee

Neural and Social Correlates of Attitudinal Brokerage: Using the Complete Social Networks of Two Entire Villages

To avoid polarization and maintain small-worldness in society, people who act as attitudinal brokers are critical. These people …

Yoosik Youm, Junsol Kim, Seyul Kwak, Jeanyung Chey

A measure of centrality in cyclic diffusion processes: Walk-betweenness

Unlike many traditional measures of centrality based on paths that do not allow any repeated nodes or lines, we propose a new measure …

Yoosik Youm, Byungkyu Lee, Junsol Kim

Similarity in functional brain connectivity at rest predicts interpersonal closeness in the social network of an entire village

People often have the intuition that they are similar to their friends, yet evidence for homophily (being friends with similar others) …

Ryan Hyon, Yoosik Youm, Junsol Kim, Jeanyung Chey, Seyul Kwak, Carolyn Parkinson

Associations of systemic inflammation with frontotemporal functional network connectivity and out-degree social-network size in community-dwelling older adults

Increasing evidence suggests that systemic inflammation adversely affects social experiences and behaviors of older adults by changing …

Minji Bang, Junsol Kim, Suk Kyoon An, Yoosik Youm, Jeanyung Chey, Hyeon Chang Kim, Kyungmee Park, Kee Namkoong, Eun Lee

Sex differences in the association between social relationships and insomnia symptoms

Social relationships are an understudied factor affecting insomnia. In particular, these effects have not been evaluated in the context …

Kyungmee Park, Daol Cho, Eun Lee, Junsol Kim, Jee-Seon Shim, Yoosik Youm, Suk Kyoon An, Kee Namkoong, Hyeon Chang Kim

Psychosocial factors affecting sleep misperception in middle-aged community-dwelling adults

Sleep misperception has long been a major issue in the field of insomnia research. Most studies of sleep misperception examine sleep …

Sungjong Park, Kyungmee Park, Jee-Seon Shim, Yoosik Youm, Junsol Kim, Eun Lee, Hyeon Chang Kim

Social network position moderates the relationship between late-life depressive symptoms and memory differently in men and women

Late-life depression has been considered to be associated with memory deficits and hippocampal volume reduction. Considering that not …

Hairin Kim, Seyul Kwak, Junsol Kim, Yoosik Youm, Jeanyung Chey

Predicting the Growth of Official Facebook Pages of Korean News-Media: Based on a Network Analysis Using the Population Ecology Model

This research tried to predict the growth of official Facebook pages of Korean news-media. Especially, it applied the Lotka-Volterra …

Junsol Kim, Yoosik Youm, Ji Hyeong Yoo

Large language model behavior is shaped by the language of those with whom they interact. This capacity and their increasing prevalence …