Psychiatry Investigation

Psychological Factors Applicable to App Development for Overcoming Problematic Smartphone Use: A Structural Equation Modeling Approach: Jihwan Park, Mi Jung Rho; Psychiatry Investig. 2026;23(6):809-817. Published online June 8, 2026; DOI: https://doi.org/10.30773/pi.2024.0317; Full text PubReader ePub PDF Supplementary Materials

Interplay of Subjective Symptoms Across the Stages of the Schizophrenia Spectrum: Hye Yoon Park, Minji Bang, Suk Kyoon An; Psychiatry Investig. 2026;23(5):635-643. Published online May 11, 2026; DOI: https://doi.org/10.30773/pi.2025.0054; Full text PubReader ePub PDF

Analysis of COVID-19-Related Influencing Variables and Post-Traumatic Growth Differences Depending on the Type of Depressive Symptoms Using Latent Profile Analysis: Jinhee Hyun, Seok-Joo Kim, Heeguk Kim, Sunju Sohn, Yun-Kyeung Choi, Jong-Sun Lee, Jong-Woo Paik, So Hee Lee, Yu-Ri Lee; Psychiatry Investig. 2026;23(4):498-509. Published online April 6, 2026; DOI: https://doi.org/10.30773/pi.2025.0390; Full text PubReader ePub PDF

Effectiveness of Non-Face-to-Face Behavioral Activation Treatment for Negative Symptoms of Schizophrenia: A Prospective, Non-Randomized Study: Won-Hyoung Kim, Hee Seon Kim, Tae Joo Lee, Hoon Jung Koo; Psychiatry Investig. 2026;23(3):308-320. Published online March 6, 2026; DOI: https://doi.org/10.30773/pi.2025.0075; Full text PubReader ePub PDF

Effects of Duration of Untreated Illness on Suicidal Ideation Among Patients With Panic Disorder: Ji Eun Kim, Ji-Yoon Ham, Yerin Bae, Hyun-Ju Kim, Sang-Hyuk Lee; Psychiatry Investig. 2026;23(1):172-179. Published online January 2, 2026; DOI: https://doi.org/10.30773/pi.2025.0318; Full text PubReader ePub PDF

Psychometric Properties of the Mixed State Severity Index for Patients With Mood Disorder: Woojae Myung, Hyeona Yu, Hyo Shin Kang, Daseul Lee, Junwoo Jang, Jakyung Lee, Joohyun Yoon, Yun Seong Park, Hyun A Ryoo, Ye Rim Kim, Kwang Ho Park, Chan Woo Lee, Yoonjeong Jang, Kimyoung Kim, Nara Lee, Sanghoon Hong, Hong-Hee Won, Tae Hyon Ha, Jungkyu Park; Psychiatry Investig. 2026;23(1):106-117. Published online January 7, 2026; DOI: https://doi.org/10.30773/pi.2025.0201; Full text PubReader ePub PDF Supplementary Materials

Prevalence and Distinct Correlates of Smartphone Addiction, Depressive Symptoms, and Their Comorbidity in College Students: Yan Shi, Xiwu Zhang; Psychiatry Investig. 2025;22(12):1406-1415. Published online December 4, 2025; DOI: https://doi.org/10.30773/pi.2025.0026; Full text PubReader ePub PDF

Predicting Efficacy of Virtual Reality-Based Stabilization for Individuals With Posttraumatic Stress Symptoms: A Machine Learning Approach: Yongmin Shin, Euijin Kim, Kibum Kim, Ji Sun Kim, Sungkean Kim, Bin-Na Kim; Psychiatry Investig. 2025;22(10):1178-1190. Published online October 2, 2025; DOI: https://doi.org/10.30773/pi.2025.0168
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Frontal and Parietal Alpha Asymmetry as Biomarkers for Negative Symptoms in Schizophrenia: Yao-Cheng Wu, Chih-Chung Huang, Yi-Guang Wang, Chu-Ya Yang, Wei-Chou Chang, Chuan-Chia Chang, Hsin-An Chang; Psychiatry Investig. 2025;22(4):435-441. Published online April 11, 2025; DOI: https://doi.org/10.30773/pi.2024.0354; Full text PubReader ePub PDF Supplementary Materials

An Ethnic Minority Perspective: Association Between Negative Life Events and Depressive Symptoms in Yi Adolescents in China: Qingqing Xiao, Xiaozhen Song, Shoukang Zou, Ying Wang, Tuge Waqi, Li Yin; Psychiatry Investig. 2025;22(4):405-411. Published online April 11, 2025; DOI: https://doi.org/10.30773/pi.2024.0303
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Exploring the Relationship Between Different Pain Patterns and Depressive Symptom Among Older Koreans: Using Latent Growth Model: Kyu-Hyoung Jeong, Hye-Gyeong Son, Sunghee Kim, Ju Hyun Ryu, Seoyoon Lee; Psychiatry Investig. 2025;22(4):382-388. Published online April 11, 2025; DOI: https://doi.org/10.30773/pi.2024.0166
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Comparison of Logistic Regression and Machine Learning Approaches in Predicting Depressive Symptoms: A National-Based Study: Xing-Xuan Dong, Jian-Hua Liu, Tian-Yang Zhang, Chen-Wei Pan, Chun-Hua Zhao, Yi-Bo Wu, Dan-Dan Chen; Psychiatry Investig. 2025;22(3):267-278. Published online March 18, 2025; DOI: https://doi.org/10.30773/pi.2024.0156
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Impact of COVID-19 Infection and Related Social Concerns on Depressive Symptoms: Mediating Effects of Negative Changes in Daily Life and Moderating Effects of Age and Gender: Dham Ho, Sun-Young Kim, Hye Ah Lee, Hyunsun Cho, Weon-Jeong Lim; Psychiatry Investig. 2024;21(12):1318-1328. Published online December 23, 2024; DOI: https://doi.org/10.30773/pi.2024.0159; Full text PubReader ePub PDF

Differences in Depressive Symptom Profile by Age Group in Koreans With Major Depressive Disorder: Results From Nationwide General Population Surveys: Jimin Lee, Byung-Soo Kim, Seong-Jin Cho, Jun-Young Lee, Jee Eun Park, Su Jeong Seong, Sung Man Chang; Psychiatry Investig. 2024;21(9):1025-1032. Published online September 11, 2024; DOI: https://doi.org/10.30773/pi.2024.0074
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Age-Specific Changes in the Effects of Social Connectedness and Loneliness on Depressive Symptoms: Evidence From the Korean Longitudinal Study of Ageing Before and During the COVID-19 Pandemic: Juyeon Kim, Jungtaek Lee; Psychiatry Investig. 2024;21(5):475-486. Published online May 23, 2024; DOI: https://doi.org/10.30773/pi.2023.0268
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