Psychiatry Investigation

Exploring Body Roundness Index’s Mediating Role in the Depression-Cognitive Performance Relationship Among US Adults (≥60 Years): Evidence From National Health and Nutrition Examination Survey: Hongwei Liu, Wenzhi Niu, Peng Wei, Minheng Zhang, Zhinan Ye, Caidi He; Psychiatry Investig. 2026;23(5):685-695. Published online May 11, 2026; DOI: https://doi.org/10.30773/pi.2025.0375; Full text PubReader ePub PDF Supplementary Materials

Life’s Essential 8 and Suicide Risk: A Population-Level Study of Cardiovascular Health as a Mental Health Indicator: Suhyung Kim, Young-Chan Kim, Tae-Won Kim, Seung-Chul Hong, Ho Jun Seo, Jong-Hyun Jeong, Hyun Kook Lim, Kyungdo Han, Seung-Hyun Ko, Yoo Hyun Um; Psychiatry Investig. 2026;23(5):667-676. Published online May 11, 2026; DOI: https://doi.org/10.30773/pi.2025.0392; Full text PubReader ePub PDF Supplementary Materials

Psychosocial and Behavioral Correlates of Self-Rated Health in Psychiatric Outpatients and Community Adults: Yujin Ko, Shin-Gyeom Kim, Soyoung Irene Lee, Jeewon Lee, Han-yong Jung, HyunChul Youn; Psychiatry Investig. 2026;23(5):605-612. Published online May 11, 2026; DOI: https://doi.org/10.30773/pi.2025.0429; Full text PubReader ePub PDF

Long-Term Trends in Counseling for Stress and Depression Among Adults, 2009–2024, Considering the Impact of COVID-19 Pandemic: A Nationwide Representative Study in South Korea: Seungjae Byun, Kyeongeun Kim, Hyesu Jo, Christa J Nehs, Damiano Pizzol, Dong Keon Yon, Jiseung Kang; Psychiatry Investig. 2026;23(4):556-575. Published online April 6, 2026; DOI: https://doi.org/10.30773/pi.2025.0463; Full text PubReader ePub PDF Supplementary Materials

Associated Factors and Prevalence of Postpartum Depression and Anxiety Disorders Among Newborn Turkish Mothers: Ayca Asena Sayın, Omer Faruk Uygur, Bilge Burcak Annagur, Ali Annagur, Seockhoon Chung; Psychiatry Investig. 2026;23(4):530-538. Published online April 6, 2026; DOI: https://doi.org/10.30773/pi.2024.0321; Full text PubReader ePub PDF

Personality and Psychotic-Like Features in Post-Traumatic Stress Disorder With Severe Depression: An Minnesota Multiphasic Personality Inventory-2 Schizophrenia Scale Analysis: Young Kyung Moon, Kayoung Song, Sora Lee, Hayun Choi; Psychiatry Investig. 2026;23(4):520-529. Published online April 6, 2026; DOI: https://doi.org/10.30773/pi.2025.0403; Full text PubReader ePub PDF

The Relationship Between Aging Anxiety and Depression in Middle-Aged Adults: The Moderating Effect of Gratitude Disposition: Seon-Gyeong Kang, Sung-Man Bae; Psychiatry Investig. 2026;23(4):488-497. Published online April 6, 2026; DOI: https://doi.org/10.30773/pi.2025.0112; Full text PubReader ePub PDF

The Effectiveness of Group Logotherapy on Middle-Aged Women With Depression: Jung A Son, Myeong-hui Choe; Psychiatry Investig. 2026;23(3):418-425. Published online March 6, 2026; DOI: https://doi.org/10.30773/pi.2025.0372; Full text PubReader ePub PDF

Investigating the Gut–Brain Axis in Adolescents With Mood Disorders and Functional Gastrointestinal Symptoms: Chan-Kyu Jeong, Dae-Jin Kim, Sung-Hoon Yoon, Su-Woo Lee, Dong-Ho Lee, Su-In Jung, Sang-Yeol Lee, Chan-Mo Yang; Psychiatry Investig. 2026;23(3):345-352. Published online March 6, 2026; DOI: https://doi.org/10.30773/pi.2025.0366; Full text PubReader ePub PDF

Internet Addiction and Emotion Regulation Difficulties in Patients Diagnosed With Attention-Deficit/Hyperactivity Disorder: Rukiye Ay, Senay Kilincel, Oguzhan Kilincel, Alparslan Hafif; Psychiatry Investig. 2026;23(3):321-331. Published online March 6, 2026; DOI: https://doi.org/10.30773/pi.2025.0320; Full text PubReader ePub PDF

The Mediating Role of Rumination in the Relationship Between Childhood Trauma and the Severity of Major Depressive Disorder: Esra Yalım, Cansu Ünsal Mavi, Kamil Nahit Özmenler; Psychiatry Investig. 2026;23(2):242-248. Published online February 3, 2026; DOI: https://doi.org/10.30773/pi.2025.0377; Full text PubReader ePub PDF

The Impact of 5-HTTLPR Polymorphism on Depression and Lymphocyte Changes in Colorectal Cancer Patients Undergoing FOLFOX Chemotherapy: Seon-Young Kim, Min Jhon, Sung-Wan Kim, Seunghyong Ryu, Il-Seon Shin, Hee-ju Kang, Ju-Yeon Lee, Hyun-Jeong Shim, Jun Eul Hwang, Woo Kyun Bae, Hyun-Woo Choi, Myung Geun Shin, Jae-Min Kim; Psychiatry Investig. 2026;23(2):227-235. Published online January 20, 2026; DOI: https://doi.org/10.30773/pi.2025.0267; Full text PubReader ePub PDF

The Gender Differences of Mediating Effect of Body Mass Index Between Perceived Control and Depressive Symptoms in Korean Workers: Yoosuk An, Sra Jung, Sang-Won Jeon, Junhyung Kim, Eun Soo Kim, Jeong Hun Yang, Sung Joon Cho; Psychiatry Investig. 2026;23(2):220-226. Published online January 20, 2026; DOI: https://doi.org/10.30773/pi.2025.0292; Full text PubReader ePub PDF Supplementary Materials

Development and Effectiveness of Humanities-Based Cognitive Behavior Therapy for Adolescents With Problematic Gaming Behavior: Yeji Park, Ji-Ae Choi, Doug Hyun Han; Psychiatry Investig. 2026;23(1):88-96. Published online December 18, 2025; DOI: https://doi.org/10.30773/pi.2025.0166; Full text PubReader ePub PDF

Subjective Health Perception Moderates the Antidepressant Effects of Home-Based Transcranial Direct Current Stimulation in Perinatal Women: A Real-World Observational Study: Sra Jung, Hyejin Won, Soojin Back, Hyun-Ju Kim, Jae-Seob Park, Hee Young Cho, Min-Kyoung Kim; Psychiatry Investig. 2026;23(1):71-78. Published online December 18, 2025; DOI: https://doi.org/10.30773/pi.2025.0259; Full text PubReader ePub PDF Supplementary Materials

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