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The Positive Aspects of Attention-Deficit/Hyperactivity Disorder among Famous People

Lee JW, Seo K, Bahn GH

  • Psychiatry Investig.
  • 2020 Jun;17(6):620-620.
  • doi: 10.30773/pi.2020.0036e
Effects of Moderate Intensity Exercise on the Cortical Thickness and Subcortical Volumes of Preclinical Alzheimer’s Disease Patients: A Pilot Study

Um YH, Wang SM, Kim NY, Kang DW, Na HR, Lee CU, Lim HK

  • Psychiatry Investig.
  • 2020 Jun;17(6):613-619.
  • doi: 10.30773/pi.2020.0214
Objective We aimed to explore the impact of moderate intensity exercise on the cortical thickness and subcortical volumes of preclinical Alzheimer’s disease (AD) patients. Methods Sixty-three preclinical AD patients with magnetic...
Mental Health Effects of COVID-19 Pandemia: A Review of Clinical and Psychological Traits

Kontoangelos K, Economou M, Papageorgiou C

  • Psychiatry Investig.
  • 2020 Jun;17(6):491-505.
  • doi: 10.30773/pi.2020.0161
Objective As the coronavirus (COVID-19) pandemic sweeps across the world, it is causing widespread concern, fear and stress, all of which are natural and normal reactions to the changing and...
The Role of Insular Cortex in Response to Group Therapy in Vaginismus Patients: Magnetic Resonance Spectroscopy Study

Erbay MF, Zayman EP

  • Psychiatry Investig.
  • 2020 Jun;17(6):608-612.
  • doi: 10.30773/pi.2019.0331
Objective Disgust has been propounded as a potential etiological factor in certain sexual dysfunctions such as vaginismus. Studies reports that insular cortex is activated as a response to disgust. The...
Comparison of Amyloid Positivity Rate and Accumulation Pattern between Amnestic and Non-Amnestic Type Mild Cognitive Impairment

Lee SH, Lee JH, Byun MS, Yi D, Jung G, Park JE, Lee DY

  • Psychiatry Investig.
  • 2020 Jun;17(6):603-607.
  • doi: 10.30773/pi.2020.0063
Objective We aimed to compare cerebral beta-amyloid protein (Aβ) positivity rate and amyloid accumulation pattern on amyloid positron emission tomography (PET) between mild cognitive impairment (MCI) subtypes, i.e. amnestic mild...
The Relationship between Second-to-Fourth Digit Ratios, Attention-Deficit/Hyperactivity Disorder Symptoms, Aggression, and Intelligence Levels in Boys with Attention-Deficit/Hyperactivity Disorder

Işık , Kılıç F, Aktepe E, Tanrıtanır B

  • Psychiatry Investig.
  • 2020 Jun;17(6):596-602.
  • doi: 10.30773/pi.2020.0003
Objective Observations of sex differences have led some scientists to doubt whether the neuroendocrine system is involved in attentiondeficit/hyperactivity disorder (ADHD) etiology. One of the interesting study subjects in this...
Effects of Envy on Depression: The Mediating Roles of Psychological Resilience and Social Support

Xiang Y, Dong X, Zhao J

  • Psychiatry Investig.
  • 2020 Jun;17(6):547-555.
  • doi: 10.30773/pi.2019.0266
Objective Envy, as a stable personality trait, can affect individuals’ mental health. Specifically, previous studies have found that envy can lead to depression; however, the mechanism by which envy affects...
Platelet Serotonin Concentration Is Associated with Illness Duration in Schizophrenia and Chronological Age in Depression

Peitl V, Getaldić-Švarc B, Karlović D

  • Psychiatry Investig.
  • 2020 Jun;17(6):579-586.
  • doi: 10.30773/pi.2020.0033
Objective Impaired serotonergic neurotransmission has been implicated in the pathogenesis of depression and schizophrenia. Blood platelets have been used for years as a peripheral model of neuronal serotonin dynamics. The...
Protagonist Role of Opioidergic System on Post-Traumatic Stress Disorder and Associated Pain

Nikbakhtzadeh M, Borzadaran FM, Zamani E, Shabani M

  • Psychiatry Investig.
  • 2020 Jun;17(6):506-516.
  • doi: 10.30773/pi.2020.0002
Objective Post-traumatic stress disorder (PTSD) and chronic pain often co-occur. Studies have shown an interaction between pain and PTSD. In this narrative review, we aim to support conducting comprehensive studies...
Benzodiazepine-Related Cognitive Impairment or Dementia: A Signal Detection Study Using a Case/Non-Case Approach

Baek YH, Kim HJ, Bae JH, Lee H, Oh IS, Kim WJ, Shin JY

  • Psychiatry Investig.
  • 2020 Jun;17(6):587-595.
  • doi: 10.30773/pi.2019.0275
Objective The association between benzodiazepine use and the risk of cognitive impairment or dementia has been controversial. Our study aims to detect this association through a case/non-case method using the...
Evolutionary Ecological Model of Defence Activation Disorders Via the Marginal Value Theorem

Park H

  • Psychiatry Investig.
  • 2020 Jun;17(6):556-578.
  • doi: 10.30773/pi.2020.0051
Objective Excessive activation of defence modules leads to some dysfunctional outcomes, which can be broadly classified to defence activation disorders. Defence activation disorders have high mortality, low fertility, high prevalence...
Prevalence of DSM-IV Major Psychiatric Disorders among North Korean Defectors in South Korea

Lee KE, Moon CS, An JH, Lee HC, Kim DE, Park S, Lee M, Chang HI, Hong JP

  • Psychiatry Investig.
  • 2020 Jun;17(6):541-546.
  • doi: 10.30773/pi.2019.0217
Objective The aim of this study was to estimate the prevalence of major psychiatric disorders among North Korean defectors (NKD) settled in South Korea. Methods The study population consisted of 294...
The Prevalence and Incidence of Insomnia in Korea during 2005 to 2013

Chung S, Cho SW, Jo MW, Youn S, Lee J, Sim CS

  • Psychiatry Investig.
  • 2020 Jun;17(6):533-540.
  • doi: 10.30773/pi.2019.0218
Objective The aim of this study was to estimate the progress of insomnia prevalence and incidence over the past several years. Also, this study compared survival rates between individuals with...
Detection of Malingering Using Wechsler Adult Intelligence Scale-IV for Psychiatric Patients

On AK, Hwang KS, Jang SH, Lee HJ, Soh MJ, Yang CM, Lee SY

  • Psychiatry Investig.
  • 2020 Jun;17(6):526-532.
  • doi: 10.30773/pi.2019.0330
Objective Psychiatric patients sometimes show poor performance or exaggerated symptoms as malingering for secondary gain. The aim of this study was to introduce cut-off scores for detecting poor performance using...
Defining Subtypes in Children with Nail Biting: A Latent Profile Analysis of Personality

Oh Y, Choi J, Song YM, Jhung K, Lee YR, Yoo NH, Kim Y

  • Psychiatry Investig.
  • 2020 Jun;17(6):517-525.
  • doi: 10.30773/pi.2019.0015
Objective This study aimed to examine personality profiles and behavioral problems of children with nail biting (NB) to gain insight into the developmental trajectory of pathological NB. Methods 681 elementary school...

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