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Factor Structure of the Clinician-Rated Dimensions of Psychosis Symptom Severity in Patients with Schizophrenia

Park SC, Lee KU, Choi J

  • Psychiatry Investig.
  • 2016 Mar;13(2):253-254.
  • doi: 10.4306/pi.2016.13.2.253
No abstract available.
Dissociative Identity Disorders in Korea: Two Recent Cases

Kim I, Kim D, Jung HJ

  • Psychiatry Investig.
  • 2016 Mar;13(2):250-252.
  • doi: 10.4306/pi.2016.13.2.250
Although dissociative identity disorder (DID), the most severe of the dissociative disorders, has retained its own diagnostic entity since its introduction in the DSM-III, cases of DID are rarely seen...
Age of Onset in Schizophrenia Spectrum Disorders: Complex Interactions between Genetic and Environmental Factors

Mandelli L, Toscano E, Porcelli S, Fabbri C, Serretti A

  • Psychiatry Investig.
  • 2016 Mar;13(2):247-249.
  • doi: 10.4306/pi.2016.13.2.247
In this study we evaluated the role of a candidate gene for major psychosis, Sialyltransferase (ST8SIA2), in the risk to develop a schizophrenia spectrum disorders, taking into account exposure to...
Gender Differences in Relations of Smoking Status, Depression, and Suicidality in Korea: Findings from the Korea National Health and Nutrition Examination Survey 2008-2012

Kim SM, Jung JW, Park IW, Ahn CM, Kim YI, Yoo KH, Chun EM, Jung JY, Park YS, Park JH, Kim JY, Korean Smoking Cessation Study Group

  • Psychiatry Investig.
  • 2016 Mar;13(2):239-246.
  • doi: 10.4306/pi.2016.13.2.239
OBJECTIVE: As mental health problems may play an important role in initiating and maintaining cigarette smoking in females and there are an increasing number of female smokers, we evaluated the...
Olanzapine May Inhibit Colonic Motility Associated with the 5-HT Receptor and Myosin Light Chain Kinase

Zhang J, Qiao Y, Le J, Sun D, Guan Y, Li Z

  • Psychiatry Investig.
  • 2016 Mar;13(2):232-238.
  • doi: 10.4306/pi.2016.13.2.232
OBJECTIVE: To study whether the effects of olanzapine on gastrointestinal motility is related to the serotonin antagonism and myosin light chain kinase. METHODS: Male Sprague-Dawley rats were randomly divided into four...
Depressed REM Sleep Behavior Disorder Patients Are Less Likely to Recall Enacted Dreams than Non-Depressed Ones

Lee HG, Choi JW, Lee YJ, Jeong DU

  • Psychiatry Investig.
  • 2016 Mar;13(2):227-231.
  • doi: 10.4306/pi.2016.13.2.227
OBJECTIVE: REM sleep behavior disorder (RBD) is associated with psychiatric symptoms, such as anxiety and alexithymia. However, only a few studies on the relationship between depression and RBD have been...
Decreased Total Antioxidant Activity in Major Depressive Disorder Patients Non-Responsive to Antidepressant Treatment

Baek SE, Lee GJ, Rhee CK, Rho DY, Kim DH, Huh S, Lee SK

  • Psychiatry Investig.
  • 2016 Mar;13(2):222-226.
  • doi: 10.4306/pi.2016.13.2.222
OBJECTIVE: This study aimed to evaluate the total antioxidant activity (TAA) in patients with major depressive disorder (MDD) and the effect of antidepressants on TAA using a novel potentiometric method. METHODS:...
Sleep EEG Characteristics in Young and Elderly Patients with Obstructive Sleep Apnea Syndrome

Lee YJ, Kim JW, Lee YJ, Jeong DU

  • Psychiatry Investig.
  • 2016 Mar;13(2):217-221.
  • doi: 10.4306/pi.2016.13.2.217
OBJECTIVE: In the present study, it was hypothesized that the sleep electroencephalogram (EEG) characteristics of young (55 yrs) OSAS patients would differ. METHODS: We analyzed 76 sleep EEG recordings from OSAS...
Association between RELN Gene Polymorphisms and Attention Deficit Hyperactivity Disorder in Korean Children

Kwon HJ, Jang WC, Lim MH

  • Psychiatry Investig.
  • 2016 Mar;13(2):210-216.
  • doi: 10.4306/pi.2016.13.2.210
OBJECTIVE: Attention deficit hyperactivity disorder (ADHD) is common disorder of the school-age population. ADHD is familial and genetic studies estimate heritability at 80–90%. The aim of the present study was...
Sleep Irregularity in the Previous Week Influences the First-Night Effect in Polysomnographic Studies

Lee DH, Cho CH, Han C, Bok KN, Moon JH, Lee E, Lee HJ, Kim L

  • Psychiatry Investig.
  • 2016 Mar;13(2):203-209.
  • doi: 10.4306/pi.2016.13.2.203
OBJECTIVE: The first-night effect is a well-known phenomenon resulting from an individual's maladaptation to the unfamiliar environment of a sleep laboratory. However, there have been no direct reports of the...
Impact of Mindfulness-Based Cognitive Therapy on Intolerance of Uncertainty in Patients with Panic Disorder

Kim MK, Lee KS, Kim B, Choi TK, Lee SH

  • Psychiatry Investig.
  • 2016 Mar;13(2):196-202.
  • doi: 10.4306/pi.2016.13.2.196
OBJECTIVE: Intolerance of uncertainty (IU) is a transdiagnostic construct in various anxiety and depressive disorders. However, the relationship between IU and panic symptom severity is not yet fully understood. We...
How Childhood Maltreatment Is Related to Suicidality, Bipolarity and Central Serotonergic Activity in Patients with Major Depressive Disorder: A Cross-Sectional Pilot Study

Lee BH, Park YM

  • Psychiatry Investig.
  • 2016 Mar;13(2):190-195.
  • doi: 10.4306/pi.2016.13.2.190
OBJECTIVE: The aims of this study were to determine whether childhood maltreatment contributes to the occurrence of major depressive disorder (MDD) with bipolarity, and whether there is a relationship between...
Trends in Suicide Methods and Rates among Older Adults in South Korea: A Comparison with Japan

Park S, Lee HB, Lee SY, Lee GE, Ahn MH, Yi KK, Hong JP

  • Psychiatry Investig.
  • 2016 Mar;13(2):184-189.
  • doi: 10.4306/pi.2016.13.2.184
OBJECTIVE: Lethality of the chosen method during a suicide attempt is a strong risk factor for completion of suicide. We examined whether annual changes in the pattern of suicide methods...
Plasma Oxytocin in Children with Autism and Its Correlations with Behavioral Parameters in Children and Parents

Husarova V, Lakatosova S, Pivovarciova A, Babinska K, Bakos J, Durdiakova J, Kubranska , Ondrejka I, Ostatnikova D

  • Psychiatry Investig.
  • 2016 Mar;13(2):174-183.
  • doi: 10.4306/pi.2016.13.2.174
OBJECTIVE: Oxytocin (OT) has been implicated to play an important role in autism spectrum disorders (ASD) etiology. We aimed to find out the differences in plasma OT levels between children...
Non-Conscious Perception of Emotions in Psychiatric Disorders: The Unsolved Puzzle of Psychopathology

Lee SA, Kim CY, Lee SH

  • Psychiatry Investig.
  • 2016 Mar;13(2):165-173.
  • doi: 10.4306/pi.2016.13.2.165
Psychophysiological and functional neuroimaging studies have frequently and consistently shown that emotional information can be processed outside of the conscious awareness. Non-conscious processing comprises automatic, uncontrolled, and fast processing that...

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