Psychiatry Investigation

Review Article

August 8, 2024

“Food for Thought”: Improving Cognition in People With Schizophrenia

Til Wykes

Psychiatry Investig. 2024;21(8):803-809.

Objective We have known that cognitive difficulties are related to functional outcomes in schizophrenia for many years. However, we have only paid attention to potential treatments relatively recently, so implementation...

Review Article

August 2, 2024

Herbal and Natural Supplements for Improving Sleep: A Literature Review

Ji Won Yeom, Chul-Hyun Cho

Psychiatry Investig. 2024;21(8):810-821.

Objective Herbal and natural supplements have gained popularity as alternative treatments to insomnia and sleep disorders due to their perceived safety and potential effectiveness. This literature review summarizes the current...

Original Article

August 8, 2024

Exploring the Relationships Between Antipsychotic Dosage and Voice Characteristics in Relation to Extrapyramidal Symptoms

Hyeyoon Kim, Seoyoung Kim, Subin Lee, Kyogu Lee, Euitae Kim

Psychiatry Investig. 2024;21(8):822-831.

Objective Extrapyramidal symptoms (EPS) are common side effects of antipsychotic drugs. Despite the growing interest in exploring objective biomarkers for EPS prevention and the potential use of voice in detecting...

Original Article

August 8, 2024

The Association Between Prolactin Levels and Cognitive Function in Female Patients With Severe Mental Disorders

Yichong Xu, Shun Yao, Zhiying Yang, Yuan Shi, Xiaoqing Zhang, Lijun Wang, Donghong Cui

Psychiatry Investig. 2024;21(8):832-837.

Objective Cognition impairments are considered as a fundamental characteristic of severe mental disorders (SMD). Recent studies suggest that hyperprolactinemia may exert a detrimental influence on cognitive performance in patients with...

Original Article

August 8, 2024

Characteristics of Sleep Disturbance and Comparison Across Three Waves of the COVID-19 Pandemic Among Healthcare Workers

Dian-Jeng Li, Joh-Jong Huang, Su-Ting Hsu, Kuan-Ying Hsieh, Guei-Ging Lin, Pei-Jhen Wu, Chin-Lien Liu, Hui-Ching Wu, Frank Huang-Chih Chou

Psychiatry Investig. 2024;21(8):838-849.

Objective Healthcare workers (HCWs) suffered from a heavy mental health burden during the coronavirus disease-2019 (COVID-19) pandemic. We aimed to explore the differences in sleep disturbance in three waves of...

Original Article

August 8, 2024

The Different Associations of White Matter Hyperintensities With Severity of Dementia and Cognitive Impairment According to the Distance From the Lateral Ventricular Surface in Patients With Alzheimer’s Disease

Hyun Ju Yang, Jae Min Song, Subin Lee, Ho Kyu Lee, Bong Soo Kim, Ki Woong Kim, Joon Hyuk Park

Psychiatry Investig. 2024;21(8):850-859.

Objective White matter hyperintensities (WMH) are common among the elderly. Although WMH play a key role in lowering the threshold for the clinical expression of dementia in Alzheimer’s disease (AD)-related...

Original Article

August 8, 2024

Development of a Standardized Suicide Prevention Program for Gatekeeper Intervention in Korea (Suicide CARE Version 2.0) to Prevent Adolescent Suicide: Version for Teachers

Hyeon-Ah Lee, Yeon Jung Lee, Kyong Ah Kim, Myungjae Baik, Jong-Woo Paik, Jinmi Seol, Sang Min Lee, Eun-Jin Lee, Haewoo Lee, Meerae Lim, et al.

Psychiatry Investig. 2024;21(8):860-869.

Objective The increasing concern over adolescent suicide necessitates suicide prevention training for school teachers, as students spend a significant portion of their time at school. This study’s objective is to...

Original Article

August 2, 2024

Clinical Utility of Impact of Event Scale–Revised for Diagnostic and Statistical Manual of Mental Disorders-Fifth Edition Posttraumatic Stress Disorder

Soyeon Chang, Won-Hyoung Kim, Young-Eun Jung, Daeyoung Roh, Daeho Kim, Jeong-Ho Chae, Joo Eon Park

Psychiatry Investig. 2024;21(8):870-876.

Objective The Impact of Event Scale–Revised (IES-R) is a widely used self-report for assessing posttraumatic stress disorder (PTSD), originally aligned with Diagnostic and Statistical Manual of Mental Disorders (DSM)-IV diagnostic...

Original Article

August 2, 2024

Simultaneous Utilization of Mood Disorder Questionnaire and Bipolar Spectrum Diagnostic Scale for Machine Learning-Based Classification of Patients With Bipolar Disorders and Depressive Disorders

Kyungwon Kim, Hyun Ju Lim, Je-Min Park, Byung-Dae Lee, Young-Min Lee, Hwagyu Suh, Eunsoo Moon

Psychiatry Investig. 2024;21(8):877-884.

Objective Bipolar and depressive disorders are distinct disorders with clearly different clinical courses, however, distinguishing between them often presents clinical challenges. This study investigates the utility of self-report questionnaires, the...

Original Article

August 8, 2024

Effect of Low-Intensity Transcranial Focused Ultrasound Stimulation in Patients With Major Depressive Disorder: A Randomized, Double-Blind, Sham-Controlled Clinical Trial

Jooyoung Oh, Jin Sun Ryu, Junhyung Kim, Soojeong Kim, Hyu Seok Jeong, Kyung Ran Kim, Hyun-Chul Kim, Seung-Schik Yoo, Jeong-Ho Seok

Psychiatry Investig. 2024;21(8):885-896.

Objective Low-intensity transcranial focused ultrasound (tFUS) has emerged as a promising non-invasive brain stimulation modality with high spatial selectivity and the ability to reach deep brain areas. The present study...

Original Article

August 2, 2024

Viral Anxiety, Reassurance-Seeking Behavior, and Depression Mediate the Influence of Dysfunctional Self-Focus on Preoccupation With COVID-19 Among Infected Cases

Byeongha Yoon, Jihoon Hong, Seockhoon Chung

Psychiatry Investig. 2024;21(8):897-904.

Objective Amid the coronavirus disease 2019 (COVID-19) pandemic, the pervasive threat of infection has heightened public and individual health concerns. In the context of instability, although the dysfunctional aspect of...

Original Article

August 2, 2024

Sleep Inertia and Its Associates in Shift and Non-Shift Workers

Juseung Kang, Jichul Kim, Jooyoung Lee, Hyewon Yeo, Yunjee Hwang, Somi Lee, Sehyun Jeon, Seog Ju Kim

Psychiatry Investig. 2024;21(8):905-911.

Objective We investigated the difference in sleep inertia between shift workers (SWs) and non-shift workers (NSWs) and the effects of depressive symptoms, sleepiness, insomnia, and chronotype on sleep inertia in...

Original Article

August 2, 2024

Using Deep Learning Techniques as an Attempt to Create the Most Cost-Effective Screening Tool for Cognitive Decline

Hye-Geum Kim, Wan-Seok Seo, Bon-Hoon Koo, Eun-Jin Cheon, Seokho Yun, Sohye Jo, Byoungyoung Gu

Psychiatry Investig. 2024;21(8):912-917.

Objective This study aimed to use deep learning (DL) to develop a cost-effective and accessible screening tool to improve the detection of cognitive decline, a precursor of Alzheimer’s disease (AD)....

“Food for Thought”: Improving Cognition in People With Schizophrenia Til Wykes Psychiatry Investig. 2024;21(8):803-809. Review Article August 8, 2024 Full text PubReader ePub PDF	Herbal and Natural Supplements for Improving Sleep: A Literature Review Ji Won Yeom, Chul-Hyun Cho Psychiatry Investig. 2024;21(8):810-821. Review Article August 2, 2024 Full text PubReader ePub PDF
Exploring the Relationships Between Antipsychotic Dosage and Voice Characteristics in Relation to Extrapyramidal Symptoms Hyeyoon Kim, Seoyoung Kim, Subin Lee, Kyogu Lee, Euitae Kim Psychiatry Investig. 2024;21(8):822-831. Original Article August 8, 2024 Full text PubReader ePub PDF Supplementary Material	The Association Between Prolactin Levels and Cognitive Function in Female Patients With Severe Mental Disorders Yichong Xu, Shun Yao, Zhiying Yang, Yuan Shi, Xiaoqing Zhang, Lijun Wang, Donghong Cui Psychiatry Investig. 2024;21(8):832-837. Original Article August 8, 2024 Full text PubReader ePub PDF Supplementary Material
Characteristics of Sleep Disturbance and Comparison Across Three Waves of the COVID-19 Pandemic Among Healthcare Workers Dian-Jeng Li, Joh-Jong Huang, Su-Ting Hsu, Kuan-Ying Hsieh, Guei-Ging Lin, Pei-Jhen Wu, Chin-Lien Liu, Hui-Ching Wu, Frank Huang-Chih Chou Psychiatry Investig. 2024;21(8):838-849. Original Article August 8, 2024 Full text PubReader ePub PDF Supplementary Material	The Different Associations of White Matter Hyperintensities With Severity of Dementia and Cognitive Impairment According to the Distance From the Lateral Ventricular Surface in Patients With Alzheimer’s Disease Hyun Ju Yang, Jae Min Song, Subin Lee, Ho Kyu Lee, Bong Soo Kim, Ki Woong Kim, Joon Hyuk Park Psychiatry Investig. 2024;21(8):850-859. Original Article August 8, 2024 Full text PubReader ePub PDF Supplementary Material
Development of a Standardized Suicide Prevention Program for Gatekeeper Intervention in Korea (Suicide CARE Version 2.0) to Prevent Adolescent Suicide: Version for Teachers Hyeon-Ah Lee, Yeon Jung Lee, Kyong Ah Kim, Myungjae Baik, Jong-Woo Paik, Jinmi Seol, Sang Min Lee, Eun-Jin Lee, Haewoo Lee, Meerae Lim, et al. Psychiatry Investig. 2024;21(8):860-869. Original Article August 8, 2024 Full text PubReader ePub PDF	Clinical Utility of Impact of Event Scale–Revised for Diagnostic and Statistical Manual of Mental Disorders-Fifth Edition Posttraumatic Stress Disorder Soyeon Chang, Won-Hyoung Kim, Young-Eun Jung, Daeyoung Roh, Daeho Kim, Jeong-Ho Chae, Joo Eon Park Psychiatry Investig. 2024;21(8):870-876. Original Article August 2, 2024 Full text PubReader ePub PDF Supplementary Material
Simultaneous Utilization of Mood Disorder Questionnaire and Bipolar Spectrum Diagnostic Scale for Machine Learning-Based Classification of Patients With Bipolar Disorders and Depressive Disorders Kyungwon Kim, Hyun Ju Lim, Je-Min Park, Byung-Dae Lee, Young-Min Lee, Hwagyu Suh, Eunsoo Moon Psychiatry Investig. 2024;21(8):877-884. Original Article August 2, 2024 Full text PubReader ePub PDF	Effect of Low-Intensity Transcranial Focused Ultrasound Stimulation in Patients With Major Depressive Disorder: A Randomized, Double-Blind, Sham-Controlled Clinical Trial Jooyoung Oh, Jin Sun Ryu, Junhyung Kim, Soojeong Kim, Hyu Seok Jeong, Kyung Ran Kim, Hyun-Chul Kim, Seung-Schik Yoo, Jeong-Ho Seok Psychiatry Investig. 2024;21(8):885-896. Original Article August 8, 2024 Cited By 1 Full text PubReader ePub PDF Supplementary Material
Viral Anxiety, Reassurance-Seeking Behavior, and Depression Mediate the Influence of Dysfunctional Self-Focus on Preoccupation With COVID-19 Among Infected Cases Byeongha Yoon, Jihoon Hong, Seockhoon Chung Psychiatry Investig. 2024;21(8):897-904. Original Article August 2, 2024 Full text PubReader ePub PDF	Sleep Inertia and Its Associates in Shift and Non-Shift Workers Juseung Kang, Jichul Kim, Jooyoung Lee, Hyewon Yeo, Yunjee Hwang, Somi Lee, Sehyun Jeon, Seog Ju Kim Psychiatry Investig. 2024;21(8):905-911. Original Article August 2, 2024 Full text PubReader ePub PDF
Using Deep Learning Techniques as an Attempt to Create the Most Cost-Effective Screening Tool for Cognitive Decline Hye-Geum Kim, Wan-Seok Seo, Bon-Hoon Koo, Eun-Jin Cheon, Seokho Yun, Sohye Jo, Byoungyoung Gu Psychiatry Investig. 2024;21(8):912-917. Original Article August 2, 2024 Full text PubReader ePub PDF	Daily Self-Monitoring and Feedback of Circadian Rhythm Measures in Major Depression and Bipolar Disorder Using Wearable Devices and Smartphones–The Circadian Rhythm for Mood (CRM^®) Trial Protocol: A Randomized Sham Controlled Double-Blind Trial Ji Won Yeom, Yeaseul Yoon, Ju Yeon Seo, Chul-Hyun Cho, Taek Lee, Jung-Been Lee, Sehyun Jeon, Leen Kim, Heon-Jeong Lee Psychiatry Investig. 2024;21(8):918-924. Study Protocol August 2, 2024 Full text PubReader ePub PDF