Psychiatry Investigation

Development of the Instrumental Activities of Daily Living Scale-Ability and Actual Performance: A New Measure for People With Schizophrenia: En-Chi Chiu, Shu-Chun Lee; Psychiatry Investig. 2026;23(1):23-29. Published online January 7, 2026; DOI: https://doi.org/10.30773/pi.2025.0111; PDF

Association Between Gene Polymorphisms of RSPO2 of the Wnt Signaling Pathway and Schizophrenia in the Korean Population: Ah Rah Lee, Hae Jeong Park, Won Sub Kang, Jong Woo Kim; Psychiatry Investig. 2025;22(12):1339-1349. Published online December 4, 2025; DOI: https://doi.org/10.30773/pi.2025.0020; Full text PubReader ePub PDF

Association Between Skeletal Muscle Mass Indices and Cognitive Function Among Inpatients With Stable Schizophrenia: Dan Shuai, Binyou Wang, Duanfang Cai, Yan Guo, Xiuping Lei, Kezhi Liu, Yilin Wang; Psychiatry Investig. 2025;22(9):1048-1056. Published online August 21, 2025; DOI: https://doi.org/10.30773/pi.2025.0024; Full text PubReader ePub PDF Supplementary Materials

Psychometric Properties of the Social Attribution Task and Its Relationship With Cognitive Functions: Samet Çelik, Leyla Arslan, Caner Özarslan, Mehmet Mart; Psychiatry Investig. 2025;22(6):687-698. Published online June 16, 2025; DOI: https://doi.org/10.30773/pi.2024.0356; Full text PubReader ePub PDF

Effects of Methylenetetrahydrofolate Reductase Polymorphism on Clinical Features of High-Risk Psychosis Before Schizophrenia: Lin Wan, Xueqing Han; Psychiatry Investig. 2025;22(4):442-450. Published online April 11, 2025; DOI: https://doi.org/10.30773/pi.2024.0379; Full text PubReader ePub PDF

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

Diminished Compensatory Energy Production Following Hypoxic Stress in the Prefrontal and Anterior Cingulate Cortex Among Individuals With Schizophrenia: M Burak Baytunca, Xian-Feng Shi, Nicolas A Nuñez, Danielle Boxer, Colleen Fitzgerald, Dost Ongur, Deborah Yurgelun-Todd, Perry Renshaw, Douglas Kondo; Psychiatry Investig. 2025;22(3):243-251. Published online March 18, 2025; DOI: https://doi.org/10.30773/pi.2024.0150; Full text PubReader ePub PDF Supplementary Materials

Effects of the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition Criteria Changes for Schizophrenia on Diagnoses of First-Episode Schizophrenia Spectrum Disorders: WooRi Cho, Sung-Wan Kim, Seung-Hee Won, Bong-Ju Lee, Naohisa Tsujino, Youji Takubo, Taiju Yamaguchi, Takahiro Nemoto, Ling Li, Thi-Hung Le, Fatima Zahra Rami, Young-Chul Chung; Psychiatry Investig. 2025;22(2):212-217. Published online February 17, 2025; DOI: https://doi.org/10.30773/pi.2024.0078
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A Comparative Analysis of Neurocognitive Function in Community- and Hospital-Based Patients With Schizophrenia: Seri Maeng, Hee Seon Kim, Tae Joo Lee, Hoon Jung Koo, Won-Hyoung Kim; Psychiatry Investig. 2024;21(10):1110-1119. Published online October 17, 2024; DOI: https://doi.org/10.30773/pi.2024.0077; Full text PubReader ePub PDF

“Food for Thought”: Improving Cognition in People With Schizophrenia: Til Wykes; Psychiatry Investig. 2024;21(8):803-809. Published online August 8, 2024; DOI: https://doi.org/10.30773/pi.2023.0320; Full text PubReader ePub PDF

Trends in Electroconvulsive Therapy Utilization in South Korea: Health Insurance Review Data From 2008 to 2018: Seung-Hoon Lee, Won Seok William Hyung, Chae Eun Youn, Suhyuk Chi, HyunChul Youn, Moon-Soo Lee, Changsu Han, Hyun-Ghang Jeong; Psychiatry Investig. 2024;21(7):691-700. Published online July 24, 2024; DOI: https://doi.org/10.30773/pi.2024.0070
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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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The Impact of Prolonged Duration of Untreated Illness on Clinical Correlates in Chronic Schizophrenia: Exploring the Relationship With Suicide Risk: Ke Zhang, Chenxi Wang, Lei Gou, Yaxi Li, Cui Li, Guoshuai Luo, Xiangyang Zhang; Psychiatry Investig. 2024;21(4):422-432. Published online April 23, 2024; DOI: https://doi.org/10.30773/pi.2023.0384
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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

Positive Association of TEAD1 With Schizophrenia in a Northeast Chinese Han Population: Yang Sun, Lin Wen, Yi-Yang Luo, Wen-Juan Hu, Hui-Wen Ren, Ye Lv, Cong Zhang, Ping Gao, Li-Na Xuan, Guan-Yu Wang, Cheng-Jie Li, Zhi-Xin Xiang, Zhi-Lin Luan; Psychiatry Investig. 2023;20(12):1168-1176. Published online December 18, 2023; DOI: https://doi.org/10.30773/pi.2023.0069
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