Neurobiological mechanisms underlying delayed expression of posttraumatic stress disorder : A scoping review

BACKGROUND
The capacity of posttraumatic stress disorder (PTSD) to occur with delayed onset has been documented in several systematic reviews and meta-analyses. Neurobiological models of PTSD may provide insight into the mechanisms underlying the progressive increase in PTSD symptoms over time as well as into occasional occurrences of long-delayed PTSD with few prodromal symptoms. 

 

AIM
To obtain an overview of key concepts explaining and types of evidence supporting neurobiological underpinnings of delayed PTSD. 

 

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Changes in social functioning over the course of psychotic disorders – A meta-analysis

In this meta-analysis we investigated changes in social functioning and its moderators in patients with a psychotic disorder but different durations of illness at baseline.

 

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Course and predictors of posttraumatic stress and depression longitudinal symptom profiles in refugees : A latent transition model

Exposure to potentially traumatic events and post-migration living difficulties (PMLDs) may explain the high rates of posttraumatic stress disorder (PTSD) and depression in resettled refugees. Latent class analyses (LCAs) in refugees have identified subgroups that differ in symptom profiles of PTSD and comorbid symptoms. However, knowledge on longitudinal symptom profiles in refugees is sparse. Examining longitudinal PTSD and depression symptom profiles could provide information on risk factors underlying worsening of symptoms post-resettlement.

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Social cognitive performance in posttraumatic stress disorder : A meta-analysis

Background

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Valid measurement of DSM-5 persistent complex bereavement disorder and DSM-5-TR and ICD-11 prolonged grief disorder : The Traumatic Grief Inventory-Self Report Plus (TGI-SR+)

Introduction

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A systematic review of loneliness in bereavement : Current research and future directions

Bereaved people suffer from loneliness and loneliness is associated with poor mental health. In this study, this topic is reviewed. An agenda is suggested for future research. Research that is theory-driven, addresses measurement consistency, correlates of loneliness in bereaved and non-bereaved, and treatment is necessary for prevention and intervention.

 

 

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Anxiety, depression, and PTSD symptoms among high school students in China in response to the COVID-19 pandemic and lockdown

Aims: This study aimed to investigate the prevalence of anxiety, depression and PTSD symptoms, and associated risk factors among a large-scale sample of adolescents from China after the pandemic and lockdown. 

 

Method: A total of 57,948 high school students took part in an online survey from July 13 to 29, 2020. The mental health outcomes included anxiety, depression and PTSD symptoms. Risk factors included negative family relationships, COVID-19 related exposure, and a lack of social support.

 

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Time course of symptoms in posttraumatic stress disorder with delayed expression : a systematic review

Objective
to examine the hypothesis that PTSD with delayed expression in some cases occur without subthreshold PTSD symptoms above background levels bridging the gap between the traumatic exposure(s) and the clinical diagnosis.

 

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Predicting transitions between longitudinal classes of posttraumatic stress disorder, adjustment disorder, and well-being during the COVID-19 pandemic : Protocol of a latent transition model in a general Dutch sample

Background

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Prolonged grief disorder in DSM-5-TR : Early predictors and longitudinal measurement invariance

Objective: The Diagnostic and Statistical Manual of Mental Disorders, 5th Edition, Text Revision includes prolonged grief disorder as a novel disorder. Prolonged grief disorder can be diagnosed when acute grief stays distressing and disabling, beyond 12 months following bereavement. Evidence indicates that elevated prolonged grief disorder symptoms in the first year of bereavement predict pervasive grief later in time; targeting early elevated grief may potentially prevent symptoms getting chronic.

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