Richard A. Bryant
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View article: Structural covariance, regional topology, and volumetric aspects of amygdala subnuclei in posttraumatic stress disorder using ultra-high field imaging
Structural covariance, regional topology, and volumetric aspects of amygdala subnuclei in posttraumatic stress disorder using ultra-high field imaging Open
The amygdala is a subcortical brain structure involved in threat processing and implicated in various psychopathology. Previous efforts to map amygdala subnuclei connectivity have been hindered by technological limitations. This study used…
View article: Adolescent Resilience-Building In Urban Slums—A Multifaceted Implementation Trial of Life Skills Education in India (ANUMATI 2.0) among older adolescents: a protocol for a double blind, three arm, cluster randomised controlled trial
Adolescent Resilience-Building In Urban Slums—A Multifaceted Implementation Trial of Life Skills Education in India (ANUMATI 2.0) among older adolescents: a protocol for a double blind, three arm, cluster randomised controlled trial Open
Clinical Trial Registry India, CTRI/2024/08/072338. Registered on August 12, 2024.
View article: Examining the associations between trauma intrusions, emotion regulation, and affect among European Australian and Chinese Australian trauma survivors using ecological momentary assessment.
Examining the associations between trauma intrusions, emotion regulation, and affect among European Australian and Chinese Australian trauma survivors using ecological momentary assessment. Open
Momentary intrusions were associated with diverse emotion regulation strategy use and moderated associations between emotion regulation strategy use and affect. Importantly, cultural group moderated some of these associations, suggesting t…
View article: Psychosocial problems, daily functioning and help-seeking behaviour of international migrant workers in the Netherlands: A qualitative study to inform the adaptation of a scalable stepped-care intervention
Psychosocial problems, daily functioning and help-seeking behaviour of international migrant workers in the Netherlands: A qualitative study to inform the adaptation of a scalable stepped-care intervention Open
International migrant workers (IMWs) may face insecure work and housing, limited access to healthcare and increased risk of psychological problems. Two scalable, evidence-based interventions to support individuals experiencing psychologica…
View article: The effects of attachment security priming on posttraumatic appraisals among individuals with posttraumatic stress disorder
The effects of attachment security priming on posttraumatic appraisals among individuals with posttraumatic stress disorder Open
Background: Research has shown strong links between attachment insecurity and posttraumatic stress disorder (PTSD). Individuals with insecure attachment are more likely to have internal working models that are associated with appraisals im…
View article: A network analysis of peritraumatic dissociation and subsequent intrusive memories
A network analysis of peritraumatic dissociation and subsequent intrusive memories Open
Background: Cognitive models of posttraumatic stress disorder (PTSD) propose that disturbed processing during a traumatic event results in a distinctive encoding style, which contributes to the subsequent occurrence of re-experiencing symp…
View article: A review of the relationship between changes in trauma-related cognitions and PTSD outcome in response to trauma-focused psychotherapy: A three-level meta-analysis
A review of the relationship between changes in trauma-related cognitions and PTSD outcome in response to trauma-focused psychotherapy: A three-level meta-analysis Open
Prevailing models of posttraumatic stress disorder (PTSD) suggest that trauma-related cognitions have a critical role in influencing the persistence of posttraumatic stress symptoms. This study aimed to quantitatively synthesise the streng…
View article: The distinctive digital phenotypes of different emotion regulation strategies
The distinctive digital phenotypes of different emotion regulation strategies Open
Extensive research on cognitive reappraisal and expressive suppression suggests that they produce distinct emotion outcomes. The present study, conducted in 2021, assessed whether these regulation strategies produced distinctive facial, vo…
View article: Using Digital Phenotypes to Identify Individuals With Alexithymia in Posttraumatic Stress Disorder: Cross-Sectional Study
Using Digital Phenotypes to Identify Individuals With Alexithymia in Posttraumatic Stress Disorder: Cross-Sectional Study Open
Background Alexithymia, defined as difficulty identifying and describing one’s emotions, has been identified as a transdiagnostic emotional process that impacts the course, severity, and treatment outcomes of psychiatric conditions such as…
View article: Using Digital Phenotypes to Identify Individuals With Alexithymia in Posttraumatic Stress Disorder: Cross-Sectional Study (Preprint)
Using Digital Phenotypes to Identify Individuals With Alexithymia in Posttraumatic Stress Disorder: Cross-Sectional Study (Preprint) Open
BACKGROUND Alexithymia, defined as difficulty identifying and describing one’s emotions, has been identified as a transdiagnostic emotional process that impacts the course, severity, and treatment outcomes of psychiatric conditions such a…
View article: Workplace mental health screening for first responders: cluster-randomised control trial
Workplace mental health screening for first responders: cluster-randomised control trial Open
Background Although workplace mental health screening is often implemented to aid early identification of mental health symptoms and facilitate access to treatment, supporting evidence is limited. Aims We aimed to evaluate the effect of in…
View article: Embedding the WHO’s Problem Management Plus (PM+) within Health and Integration Sectors in Switzerland
Embedding the WHO’s Problem Management Plus (PM+) within Health and Integration Sectors in Switzerland Open
Summary Background The prevalence of common mental disorders in resettled refugee populations is nearly three times higher than in the general population. The World Health Organization (WHO) recommends Problem Management Plus (PM+), a brie…
View article: Functional connectivity profiles of amygdala subregions in posttraumatic stress disorder
Functional connectivity profiles of amygdala subregions in posttraumatic stress disorder Open
The amygdala is crucial to understanding posttraumatic stress disorder (PTSD), yet knowledge of the connectivity of its substructures and their contribution to the functional heterogeneity characteristic of the disorder remains limited. Th…
View article: Stepped-care programme of brief psychological interventions for adults affected by adversity in Jordan: lessons from a pilot randomised controlled trial
Stepped-care programme of brief psychological interventions for adults affected by adversity in Jordan: lessons from a pilot randomised controlled trial Open
Objectives To pilot test a stepped care intervention and examine trial procedures in advance of a definitive randomised controlled trial (RCT). We aimed to evaluate safety, acceptability and adherence to interventions. Design A two-arm, si…
View article: Psychological distress and compliance with sanitary measures during the Covid-19 pandemic
Psychological distress and compliance with sanitary measures during the Covid-19 pandemic Open
Background This study aims to understand the relationship between the experience of psychological distress and compliance with COVID-19 sanitary measures. We testeed whether this relationship was modified by individuals’ gender and socioec…
View article: Ruptured Hepatocellular Carcinoma Secondary to Undiagnosed Hepatitis B in a Young Male Papua New Guinean Patient
Ruptured Hepatocellular Carcinoma Secondary to Undiagnosed Hepatitis B in a Young Male Papua New Guinean Patient Open
A 29-year-old male from Papua New Guinea (PNG) presented to a rural Australian hospital with acute severe chest and abdominal pain. ECG did not demonstrate acute ischemic changes; however, cardiac troponin was raised, and he was initially …
View article: Prevalence of common mental disorders in survivors of natural hazards – a meta-analytic comparison of exposed vs. non-exposed samples
Prevalence of common mental disorders in survivors of natural hazards – a meta-analytic comparison of exposed vs. non-exposed samples Open
Previous studies have reported high prevalence of common mental disorders in populations affected by natural hazards. Yet, it remains largely unknown to what extent the prevalence exceeds that of populations with similar backgrounds that h…
View article: Global PTSD prevalence among active first responders and trends over recent years: A systematic review and meta-analysis
Global PTSD prevalence among active first responders and trends over recent years: A systematic review and meta-analysis Open
First responders in emergency services are inherently exposed to potentially psychologically traumatic events, increasing their risk for PTSD, burnout, and work incapacity. The current meta-analysis aimed to comprehensively compare PTSD pr…
View article: A cross-disorder analysis of CNVs finds novel loci and dose-dependent relationships of genes to psychiatric traits
A cross-disorder analysis of CNVs finds novel loci and dose-dependent relationships of genes to psychiatric traits Open
Rare copy number variants (CNVs) are a key component of the genetic basis of psychiatric conditions, but have not been well characterized for most. We conducted a genome-wide CNV analysis across six diagnostic categories (N = 574,965): aut…
View article: The roles of attachment and social support in post-traumatic stress among refugees and asylum seekers
The roles of attachment and social support in post-traumatic stress among refugees and asylum seekers Open
Attachment is an important psychological mechanism when studying traumatised RAS who experience substantial PMLD. The role of perceived social support needs to be further investigated.
View article: Psychiatric disorders converge on common pathways but diverge in cellular context, spatial distribution, and directionality of genetic effects
Psychiatric disorders converge on common pathways but diverge in cellular context, spatial distribution, and directionality of genetic effects Open
Psychiatric conditions share common genes, but mechanisms that differentiate diagnoses remain unclear. We present a multidimensional framework for functional analysis of rare copy number variants (CNVs) across 6 diagnostic categories, incl…
View article: Considering Confucian, Buddhist, and Taoist influences on daily emotion regulation and affect in Chinese Australian trauma survivors
Considering Confucian, Buddhist, and Taoist influences on daily emotion regulation and affect in Chinese Australian trauma survivors Open
ABSTRACTBackground: Confucianist, Buddhist and Taoist teachings offer insight into emotion processing for members of East Asian cultures. Emerging research also suggests distinguishing Confucianism into restrictive (focused on restricting …
View article: A systematic review on predictors of treatment outcome among forcibly displaced adults receiving psychological and/or psychosocial interventions
A systematic review on predictors of treatment outcome among forcibly displaced adults receiving psychological and/or psychosocial interventions Open
Forcibly displaced people (FDP) have an elevated risk of mental disorders. Though existing interventions reduce psychological symptoms overall, many FDP do not respond, indicating a need to explore contributing factors. This systematic rev…
View article: Development and validation of the Aarhus Structured Clinical Interview for Prolonged Grief Disorder in ICD-11 and DSM-5-TR (A-PGDi)
Development and validation of the Aarhus Structured Clinical Interview for Prolonged Grief Disorder in ICD-11 and DSM-5-TR (A-PGDi) Open
Background: Prolonged Grief Disorder (PGD) is a new disorder. A structured clinical interview for ICD-11 and DSM-5-TR PGD is a necessary tool in diagnosing PGD needed as PGD is implemented as a mental disorder in health services across the…
View article: Efficacy of a peer-delivered group psychological intervention to reduce psychological distress among university students in India: a randomised controlled trial using an active control condition
Efficacy of a peer-delivered group psychological intervention to reduce psychological distress among university students in India: a randomised controlled trial using an active control condition Open
Background: Brief psychological interventions in low-and-middle-income-countries (LMICs) have been typically tested against usual or enhanced usual care (EUC). This design precludes understanding of the role of non-specific factors in infl…
View article: Emergency department mental health presentations in bushfire-, flood-, storm-, drought-, and COVID-19-affected areas: Analysis of growth models between 2017 and 2021
Emergency department mental health presentations in bushfire-, flood-, storm-, drought-, and COVID-19-affected areas: Analysis of growth models between 2017 and 2021 Open
Mental health service usage needs to be observed across multiple service areas and on an ongoing basis with the clear intention to explain how disasters shape support needs.
View article: Longitudinal Associations Between Sources of Uncertainty and Mental Health Amongst Resettled Refugees During the COVID-19 Pandemic
Longitudinal Associations Between Sources of Uncertainty and Mental Health Amongst Resettled Refugees During the COVID-19 Pandemic Open
The COVID-19 pandemic may have disproportionately affected forcibly displaced people due to parallel uncertainties such as visa insecurity and family separation. This study explicitly examined whether different sources of uncertainty contr…