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Dive into the research topics where Hyemin Han is active.

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Featured researches published by Hyemin Han.


Behavioural Brain Research | 2014

Cultural influences on the neural correlate of moral decision making processes.

Hyemin Han; Gary H. Glover; Changwoo Jeong

This study compares the neural substrate of moral decision making processes between Korean and American participants. By comparison with Americans, Korean participants showed increased activity in the right putamen associated with socio-intuitive processes and right superior frontal gyrus associated with cognitive control processes under a moral-personal condition, and in the right postcentral sulcus associated with mental calculation in familiar contexts under a moral-impersonal condition. On the other hand, American participants showed a significantly higher degree of activity in the bilateral anterior cingulate cortex (ACC) associated with conflict resolution under the moral-personal condition, and in the right medial frontal gyrus (MFG) associated with simple cognitive branching in non-familiar contexts under the moral-impersonal condition when a more lenient threshold was applied, than Korean participants. These findings support the ideas of the interactions between the cultural background, education, and brain development, proposed in the field of cultural psychology and educational psychology. The study introduces educational implications relevant to moral psychologists and educators.


Science and Engineering Ethics | 2015

Virtue ethics, positive psychology, and a new model of science and engineering ethics education.

Hyemin Han

This essay develops a new conceptual framework of science and engineering ethics education based on virtue ethics and positive psychology. Virtue ethicists and positive psychologists have argued that current rule-based moral philosophy, psychology, and education cannot effectively promote students’ moral motivation for actual moral behavior and may even lead to negative outcomes, such as moral schizophrenia. They have suggested that their own theoretical framework of virtue ethics and positive psychology can contribute to the effective promotion of motivation for self-improvement by connecting the notion of morality and eudaimonic happiness. Thus this essay attempts to apply virtue ethics and positive psychology to science and engineering ethics education and to develop a new conceptual framework for more effective education. In addition to the conceptual-level work, this essay suggests two possible educational methods: moral modeling and involvement in actual moral activity in science and engineering ethics classes, based on the conceptual framework.


Journal of Moral Education | 2015

Purpose as a Moral Virtue for Flourishing.

Hyemin Han

Positive psychology has significantly influenced studies in the fields of moral philosophy, psychology and education, and scholars in those fields have attempted to apply its ideas and methods to moral education. Among various theoretical frameworks, virtue ethics is most likely to connect positive psychology to moral educational studies because it pursues eudaimonia (flourishing). However, some virtue ethicists have been concerned about whether the current mainstream concept of positive psychology can apply directly to moral education because it focuses on subjective aspects of happiness, but not its objective and moral aspects. Thus, I will consider whether the concept of purpose, which was investigated recently by a group of psychologists and emphasizes both subjective and objective aspects of happiness, can address this issue. I will examine whether purpose is a moral virtue contributing to flourishing, consider if its nature is possibly a second-order virtue and whether it is distinguishable from other second-order virtues.


Ethics & Behavior | 2013

Exploring the Relationship Between Virtue Ethics and Moral Identity

Changwoo Jeong; Hyemin Han

The concept of moral identity based on virtue ethics has become an issue of considerable import in explaining moral behavior. This attempt to offer adequate explanations of the full range of morally relevant human behavior inevitably provokes boundary issues between ethics and moral psychology. In terms of the relationship between the two disciplines, some argue for “naturalized (or psychologized) morality,” whereas, on the other hand, others insist on “moralized psychology.” This article investigates the relationship between virtue ethics and moral identity based on previous research on the relationship between ethics and moral psychology. This article especially attempts to show that meaningful links between the two concepts possible by using theoretical frameworks constructed by the most influential philosophers of science such as Kuhn and Lakatos.


Behavioural Brain Research | 2016

Influence of the cortical midline structures on moral emotion and motivation in moral decision-making

Hyemin Han; Jingyuan E. Chen; Changwoo Jeong; Gary H. Glover

The present study aims to examine the relationship between the cortical midline structures (CMS), which have been regarded to be associated with selfhood, and moral decision making processes at the neural level. Traditional moral psychological studies have suggested the role of moral self as the moderator of moral cognition, so activity of moral self would present at the neural level. The present study examined the interaction between the CMS and other moral-related regions by conducting psycho-physiological interaction analysis of functional images acquired while 16 subjects were solving moral dilemmas. Furthermore, we performed Granger causality analysis to demonstrate the direction of influences between activities in the regions in moral decision-making. We first demonstrate there are significant positive interactions between two central CMS seed regions-i.e., the medial prefrontal cortex (MPFC) and posterior cingulate cortex (PCC)-and brain regions associated with moral functioning including the cerebellum, brainstem, midbrain, dorsolateral prefrontal cortex, orbitofrontal cortex and anterior insula (AI); on the other hand, the posterior insula (PI) showed significant negative interaction with the seed regions. Second, several significant Granger causality was found from CMS to insula regions particularly under the moral-personal condition. Furthermore, significant dominant influence from the AI to PI was reported. Moral psychological implications of these findings are discussed. The present study demonstrated the significant interaction and influence between the CMS and morality-related regions while subject were solving moral dilemmas. Given that, activity in the CMS is significantly involved in human moral functioning.


Journal of Moral Education | 2014

Analysing theoretical frameworks of moral education through Lakatos’s philosophy of science

Hyemin Han

The structure of studies of moral education is basically interdisciplinary; it includes moral philosophy, psychology, and educational research. This article systematically analyses the structure of studies of moral educational from the vantage points of philosophy of science. Among the various theoretical frameworks in the field of philosophy of science, this article mainly utilizes the perspectives of Lakatos’s research program. In particular, the article considers the relations and interactions between different fields, including moral philosophy, psychology, and educational research. Finally, the potential impacts of the new trends emerging from natural sciences that seem to be challenging to existing theoretical frameworks of moral education are examined using the vantage points of philosophy of science.


Journal of Moral Education | 2017

Neural correlates of moral sensitivity and moral judgment associated with brain circuitries of selfhood: A meta-analysis

Hyemin Han

Abstract The present study meta-analyzed 45 experiments with 959 subjects and 463 activation foci reported in 43 published articles that investigated the neural mechanism of moral functions by comparing neural activity between the moral task conditions and non-moral task conditions with the Activation Likelihood Estimation method. The present study examined the common activation foci of morality-related task conditions. In addition, the study compared the neural correlates of moral sensitivity with the neural correlates of moral judgment, which are the two functional components in the Neo-Kohlbergian model of moral functioning. The results showed that brain regions associated with the default mode network were significantly more active during morality-related task conditions than during non-morality task conditions. These brain regions were also commonly activated in both moral judgment and moral sensitivity task conditions. In contrast, the right temporoparietal junction and supramarginal gyrus were found to be more active only during conditions of moral judgment. These findings suggest that the neural correlates of moral sensitivity and moral judgment are perhaps commonly associated with brain circuitries of self-related psychological processes, but the neural correlates of those two functional components are distinguishable from each other.


Frontiers in Psychology | 2017

Attainable and Relevant Moral Exemplars Are More Effective than Extraordinary Exemplars in Promoting Voluntary Service Engagement

Hyemin Han; Jeongmin Kim; Changwoo Jeong; Geoffrey L. Cohen

The present study aimed to develop effective moral educational interventions based on social psychology by using stories of moral exemplars. We tested whether motivation to engage in voluntary service as a form of moral behavior was better promoted by attainable and relevant exemplars or by unattainable and irrelevant exemplars. First, experiment 1, conducted in a lab, showed that stories of attainable exemplars more effectively promoted voluntary service activity engagement among undergraduate students compared with stories of unattainable exemplars and non-moral stories. Second, experiment 2, a middle school classroom-level experiment with a quasi-experimental design, demonstrated that peer exemplars, who are perceived to be attainable and relevant to students, better promoted service engagement compared with historic figures in moral education classes.


Developmental Psychology | 2017

Civic Purpose in Late Adolescence: Factors that Prevent Decline in Civic Engagement After High School

Heather Malin; Hyemin Han; Indrawati Liauw

This study investigated the effects of internal and demographic variables on civic development in late adolescence using the construct civic purpose. We conducted surveys on civic engagement with 480 high school seniors, and surveyed them again 2 years later. Using multivariate regression and linear mixed models, we tested the main effects of civic purpose dimensions (beyond-the-self motivation, future civic intention), ethnicity, and education on civic development from Time 1 to Time 2. Results showed that while there is an overall decrease in civic engagement in the transition out of high school, both internal and social factors protected participants from steep civic decline. Interaction effects varied. Ethnicity and education interacted in different ways with the dimensions of civic purpose to predict change in traditional and expressive political engagement, and community service engagement.


Science and Engineering Ethics | 2014

Improving Epistemological Beliefs and Moral Judgment Through an STS-Based Science Ethics Education Program

Hyemin Han; Changwoo Jeong

This study develops a Science–Technology–Society (STS)-based science ethics education program for high school students majoring in or planning to major in science and engineering. Our education program includes the fields of philosophy, history, sociology and ethics of science and technology, and other STS-related theories. We expected our STS-based science ethics education program to promote students’ epistemological beliefs and moral judgment development. These psychological constructs are needed to properly solve complicated moral and social dilemmas in the fields of science and engineering. We applied this program to a group of Korean high school science students gifted in science and engineering. To measure the effects of this program, we used an essay-based qualitative measurement. The results indicate that there was significant development in both epistemological beliefs and moral judgment. In closing, we briefly discuss the need to develop epistemological beliefs and moral judgment using an STS-based science ethics education program.

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Changwoo Jeong

Seoul National University

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Adrian Raine

University of Pennsylvania

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Ashley Floyd Kuntz

University of Alabama at Birmingham

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