Psychiatry Investigation

Interleukin-40 and Oxidative Stress in Patients With Generalized Anxiety Disorder: Ülker Atılan Fedai, Sıdıka Baziki Çetin, İsmail Koyuncu, Öznur Akıl; Psychiatry Investig. 2025;22(10):1217-1225. Published online October 2, 2025; DOI: https://doi.org/10.30773/pi.2025.0150; Full text PubReader ePub PDF

Association Between Eye Diseases and Sleep Duration: A Nationwide Cross-Sectional Study: Young-Chan Kim, Suhyung Kim, Tae-Won Kim, Seung-Chul Hong, Ho Jun Seo, Jong-Hyun Jeong, Hyun Kook Lim, Yoo Hyun Um; Psychiatry Investig. 2025;22(9):1038-1047. Published online August 14, 2025; DOI: https://doi.org/10.30773/pi.2025.0117; Full text PubReader ePub PDF Supplementary Materials

Cytokine-Related Genes and Inflammatory Profiles as Potential Biomarkers in Major Depressive Disorder: Haein Oh, Na Yeong Kong, Sung-Won Jung, Hee-Cheol Kim, Shin Kim, Junho Kang, Hojun Lee; Psychiatry Investig. 2025;22(8):858-869. Published online July 31, 2025; DOI: https://doi.org/10.30773/pi.2025.0013; Full text PubReader ePub PDF Supplementary Materials

Association Between the (GT)₂₆ Allele in the GRIN2A Promoter and Opioid Use Disorder: Xiaohu Xie, Dingding Zhuang, Longhui Li, Tingting Wu, Wenwen Shen, Yue Liu, Wenjin Xu, Qingxiao Hong, Zemin Xu, Weisheng Chen, Jun Gu, Wenhua Zhou, Huifen Liu; Psychiatry Investig. 2025;22(6):730-735. Published online June 16, 2025; DOI: https://doi.org/10.30773/pi.2025.0090
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Genetic Correlation and Mendelian Randomization Analysis Revealed an Unidirectional Causal Relationship Between Left Caudal Middle Frontal Surface Area and Cigarette Consumption: Hongcheng Xie, Anlin Wang, Minglan Yu, Tingting Wang, Xuemei Liang, Rongfang He, Chaohua Huang, Wei Lei, Jing Chen, Youguo Tan, Kezhi Liu, Bo Xiang; Psychiatry Investig. 2025;22(3):279-286. Published online March 18, 2025; DOI: https://doi.org/10.30773/pi.2023.0147; Full text PubReader ePub PDF Supplementary Materials

The Association Between Causality Orientation and Internet Gaming Disorder, and the Role of Sensation Seeking, Anxiety, and Depression: Yanjie Peng, Yuxiang Wang, Zhenlei Peng, Xiaoyuan Liao, Ke Gong, Cheng Qin, Mingyuan Tian, Xiaotong Cheng, Xinyi Zhou, Juan Deng, Yuwen Chen, Shuang Feng, Maomao Zhang, Kezhi Liu, Bo Xiang, Wei Lei, Jing Chen; Psychiatry Investig. 2024;21(11):1268-1278. Published online November 18, 2024; DOI: https://doi.org/10.30773/pi.2024.0122
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Establishment of a Mitochondrial Metabolism-Related Diagnostic Model in Schizophrenia Based on LASSO Algorithm: Yinfang Liu, Han Lin, Meicen Liu, Liping Lin, Yaohui Wen; Psychiatry Investig. 2024;21(6):618-628. Published online June 24, 2024; DOI: https://doi.org/10.30773/pi.2024.0011
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Comparative Study of the Efficacy and Side Effects of Brand-Name and Generic Clozapine for Long-Term Maintenance Treatment Among Korean Patients With Schizophrenia: A Retrospective Naturalistic Mirror-Image Study: Nuree Kang, Hee-Soo Yoon, Se Hyun Kim, Jae Hoon Jeong, Minah Kim, Jun Soo Kwon; Psychiatry Investig. 2024;21(3):311-320. Published online March 25, 2024; DOI: https://doi.org/10.30773/pi.2023.0413; Full text PubReader ePub PDF Supplementary Materials

Associations of TNF-RII rs1061622 With Post-Traumatic Stress Disorder and Their Interplays on Serum Lipids Levels in Adolescents: Ji Cheng Zhang, Jin Hua Wang, Jun Yi Liu, Qi Wei Guo, Jia Lin, Yi Lin Shen, Ke Xin Jia, Jia Jing Cai, Guo Ming Su, Ding Zhi Fang; Psychiatry Investig. 2023;20(11):1045-1053. Published online November 21, 2023; DOI: https://doi.org/10.30773/pi.2023.0089
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Polymorphism of Estrogen Receptor Genes and Its Interactions With Neurodevelopmental Genes in Attention Deficit Hyperactivity Disorder Among Chinese Han Descent: Yiwei Lin, Haimei Li, Jing Zhang, Ziqi Yang, Yi Zhou, Lu Liu, Qiujin Qian; Psychiatry Investig. 2023;20(8):775-785. Published online August 21, 2023; DOI: https://doi.org/10.30773/pi.2023.0113
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Alterations in Spontaneous Brain Activity in Drug-Naïve First-Episode Schizophrenia: An Anatomical/Activation Likelihood Estimation Meta-Analysis: Xiaolei Qiu, Rongrong Zhang, Lu Wen, Fuli Jiang, Hongjun Mao, Wei Yan, Shiping Xie, Xinming Pan; Psychiatry Investig. 2022;19(8):606-613. Published online August 24, 2022; DOI: https://doi.org/10.30773/pi.2022.0074
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Differential Gene Expression in the Hippocampi of Nonhuman Primates Chronically Exposed to Methamphetamine, Cocaine, or Heroin: Mi Ran Choi, Yeung-Bae Jin, Han-Na Kim, Heejin Lee, Young Gyu Chai, Sang-Rae Lee, Dai-Jin Kim; Psychiatry Investig. 2022;19(7):538-550. Published online July 21, 2022; DOI: https://doi.org/10.30773/pi.2022.0004
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Association Between CLOCK Gene Variants and Restless Legs Syndrome in Koreans: Jae Eun Seo, Ji Won Yeom, Sehyun Jeon, Chul-Hyun Cho, Seunghwa Jeong, Heon-Jeong Lee; Psychiatry Investig. 2021;18(11):1125-1130. Published online November 5, 2021; DOI: https://doi.org/10.30773/pi.2021.0302
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The Impact of Maternal Adverse Childhood Experiences on Offspring’s Internalizing and Externalizing Problems: Na Ri Kang, Young Sook Kwack, Jeong-Kook Song, Moon-Doo Kim, Joon Hyuk Park, Bung-Nyun Kim, Duk-Soo Moon; Psychiatry Investig. 2021;18(11):1050-1057. Published online October 29, 2021; DOI: https://doi.org/10.30773/pi.2021.0343
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Validity and Reliability of the Turkish Version of Generalized Anxiety Disorder Scale-Revised: Anıl Gündüz, İbrahim Gündoğmuş, Sencan Sertçelik, Betül Hacer Engin, Aysel İşler, Alişan Burak Yaşar, Hatice Gönül, Arif Çipil, Elvan Başak Usta Gündüz; Psychiatry Investig. 2021;18(10):949-957. Published online October 8, 2021; DOI: https://doi.org/10.30773/pi.2021.0174
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