Psychiatry Investigation

Elevated Brain-Derived Neurotrophic Factor Levels During Depressive Mixed States: Naoaki Otsuka, Yoshikazu Takaesu, Yu Zamami, Kazuki Ota, Kazuhiro Kurihara, Hotaka Shinzato, Tsuyoshi Kondo; Psychiatry Investig. 2023;20(11):1027-1033. Published online November 21, 2023; DOI: https://doi.org/10.30773/pi.2023.0104; Full text PubReader ePub PDF Supplementary Materials

Excessive Daytime Sleepiness and Insomnia Symptoms in Adolescents With Major Depressive Disorder: Prevalence, Clinical Correlates, and the Relationship With Psychiatric Medications Use: Yudong Shi, Wei Li, Changhao Chen, Xiaoping Yuan, Yingying Yang, Song Wang, Zhiwei Liu, Feng Geng, Jiawei Wang, Xiangfen Luo, Xiangwang Wen, Lei Xia, Huanzhong Liu; Psychiatry Investig. 2023;20(11):1018-1026. Published online November 21, 2023; DOI: https://doi.org/10.30773/pi.2023.0013; Full text PubReader ePub PDF

Effect of Personalized Blue-Enriched White Light Intervention on Rest–Activity and Light Exposure Rhythms in Mild and Moderate Alzheimer’s Disease: Seong Jae Kim, Jung Hie Lee, Jae-Won Jang, Sun Hee Lee, In Bum Suh, Jin Hyeong Jhoo; Psychiatry Investig. 2023;20(11):1007-1017. Published online November 21, 2023; DOI: https://doi.org/10.30773/pi.2023.0079; Full text PubReader ePub PDF

Neuroablative Intervention for Refractory Obsessive-Compulsive Disorder: Jhin Goo Chang, Se Joo Kim, Chan-Hyung Kim; Psychiatry Investig. 2023;20(11):997-1006. Published online November 21, 2023; DOI: https://doi.org/10.30773/pi.2023.0214; Full text PubReader ePub PDF

Is Acceptance and Commitment Therapy Effective for Any Obsessive-Compulsive Symptom Dimensions?: Sang Won Lee, Mina Choi, Seung Jae Lee; Psychiatry Investig. 2023;20(10):991-996. Published online October 24, 2023; DOI: https://doi.org/10.30773/pi.2023.0109; Full text PubReader ePub PDF Supplementary Materials

Neuroplastic and Pro-cognitive Effects of Granulocyte Colony Stimulating Factor in Healthy Adults: A Pilot Study: Sheng-Min Wang, Dong Woo Kang, Hee-Je Kim, Sung-Soo Park, Hyun Kook Lim; Psychiatry Investig. 2023;20(10):984-990. Published online October 24, 2023; DOI: https://doi.org/10.30773/pi.2023.0150; Full text PubReader ePub PDF

Prevalence and Medical Costs of Intellectual Disabilities and Pervasive Developmental Disorder in Korea: Based on National Health Insurance Service Claims Data from 2007 to 2019: Beomjun Kim, In-Hwan Oh, Hyeon-Kyoung Cheong, Jun-Won Hwang; Psychiatry Investig. 2023;20(10):972-983. Published online October 24, 2023; DOI: https://doi.org/10.30773/pi.2023.0123
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Impact of Comorbid Oppositional Defiant Disorder on the Clinical and Neuropsychological Characteristics of Korean Children With Attention-Deficit/Hyperactivity Disorder: Haewon Kim, Eunji Jung, Taeyeop Lee, Seonok Kim, Hyo-Won Kim; Psychiatry Investig. 2023;20(10):962-971. Published online October 24, 2023; DOI: https://doi.org/10.30773/pi.2023.0091
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A Pilot Study on the Validity and Reliability of Korean School Readiness Inventory on Children With Autism Spectrum Disorder: Hye In Jeong, Shin-Gyeom Kim, HyunChul Youn, Jeewon Lee, Soyoung Irene Lee; Psychiatry Investig. 2023;20(10):940-945. Published online October 24, 2023; DOI: https://doi.org/10.30773/pi.2023.0137; Full text PubReader ePub PDF

Association Between Metabolic Risk Factors and Cognitive Impairment in Schizophrenia Based on Sex: Hongna Huang, Lizhao Du, Zhengping Pu, Yuan Shi, Zifan Xiao, Xi Chen, Shun Yao, Lijun Wang, Zezhi Li, Ting Xue, Donghong Cui; Psychiatry Investig. 2023;20(10):930-939. Published online October 24, 2023; DOI: https://doi.org/10.30773/pi.2023.0105
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Clinical Characteristics, Support System, and Personality Differences of Cannabis and Stimulant Users in South Korea: Jiheon Jang, Yangsik Kim; Psychiatry Investig. 2023;20(10):921-929. Published online October 24, 2023; DOI: https://doi.org/10.30773/pi.2023.0029; Full text PubReader ePub PDF Supplementary Materials

Occupational and Psychological Factors Associated With Burnout in Night Shift Nurses: Young-Sun Min, Hyeon-Ah Lee, Soon-Chan Kwon, Inho Lee, Kiseok Kim, Ji Sun Kim, Jae Hyun Han, Hwa-Young Lee; Psychiatry Investig. 2023;20(10):904-911. Published online October 24, 2023; DOI: https://doi.org/10.30773/pi.2023.0084; Full text PubReader ePub PDF

Sleep Reactivity and Sleep Efforts in Shift Workers: Yunjee Hwang, Hyeyeon Jang, Jooyoung Lee, Sehyun Jeon, Jichul Kim, Somi Lee, Seog Ju Kim; Psychiatry Investig. 2023;20(9):880-887. Published online September 19, 2023; DOI: https://doi.org/10.30773/pi.2023.0098
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The Effect of Fear of COVID-19 Infection and Anxiety on Loneliness: Moderated Mediation Effects of Gratitude: Seong-Eun Jeon, Seunghyong Ryu, Ju-Yeon Lee, Jae-Min Kim, Sung-Wan Kim, Young-Shin Kang; Psychiatry Investig. 2023;20(9):870-879. Published online September 19, 2023; DOI: https://doi.org/10.30773/pi.2023.0170
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Multimorbidity Pattern and Risk for Mortality Among Patients With Dementia: A Nationwide Cohort Study Using Latent Class Analysis: Che-Sheng Chu, Shu-Li Cheng, Ya-Mei Bai, Tung-Ping Su, Shih-Jen Tsai, Tzeng-Ji Chen, Fu-Chi Yang, Mu-Hong Chen, Chih-Sung Liang; Psychiatry Investig. 2023;20(9):861-869. Published online September 19, 2023; DOI: https://doi.org/10.30773/pi.2023.0112; Full text PubReader ePub PDF Supplementary Materials

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