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Jiyoung Park

Selected Works

2013

Articles 1 - 2 of 2

Full-Text Articles in Psychology

Negative Emotions Predict Elevated Interleukin-6 In The United States But Not In Japan, Jiyoung Park, J. M. Boylan, C. L. Coe, K. Curhan, C. S. Levine, H R. Markus, Shinobu Kitayama, Kawakami N, Karasawa M, G. D. Love, Ryff Cd Jul 2013

Negative Emotions Predict Elevated Interleukin-6 In The United States But Not In Japan, Jiyoung Park, J. M. Boylan, C. L. Coe, K. Curhan, C. S. Levine, H R. Markus, Shinobu Kitayama, Kawakami N, Karasawa M, G. D. Love, Ryff Cd

Jiyoung Park

Previous studies conducted in Western cultures have shown that negative emotions predict higher levels of pro-inflammatory biomarkers, specifically interleukin-6 (IL-6). This link between negative emotions and IL-6 may be specific to Western cultures where negative emotions are perceived to be problematic and thus may not extend to Eastern cultures where negative emotions are seen as acceptable and normal. Using samples of 1044 American and 382 Japanese middle-aged and older adults, we investigated whether the relationship between negative emotions and IL-6 varies by cultural context. Negative emotions predicted higher IL-6 among American adults, whereas no association was evident among Japanese adults. …


Error-Related Brain Activity Reveals Self-Centric Motivation: Culture Matters, Jiyoung Park, Shinobu Kitayama Feb 2013

Error-Related Brain Activity Reveals Self-Centric Motivation: Culture Matters, Jiyoung Park, Shinobu Kitayama

Jiyoung Park

To secure the interest of the personal self (vs. social others) is considered a fundamental human motive, but the nature of the motivation to secure the self-interest is not well understood. To address this issue, we assessed electrocortical responses of European Americans and Asians as they performed a flanker task while instructed to earn as many reward points as possible either for the self or for their same-sex friend. For European Americans, error-related negativity (ERN)-an event-related-potential component contingent on error responses--was significantly greater in the self condition than in the friend condition. Moreover, post-error slowing--an index of cognitive control to …