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Incidence of psychosis varies geographically due to factors such as social disadvantage. Whether this influences the clinical presentation and/or engagement of those experiencing psychosis remains relatively understudied. This study analysed data from young people across Australia accessing ultra-high risk (UHR) or first episode psychosis (FEP) services delivered through the headspace Early Psychosis (hEP) program between June 2017 and March 2021. The cohort was categorised into low, middle, and high tertiles of social disadvantage using the Index of Relative Socioeconomic Disadvantage (IRSD). Data from 3089 participants aged 15-25 were included (1515 UHR, 1574 FEP). The low and middle tertiles for both cohorts had greater percentages of those not in education or employment (NEET), with First Nations or culturally and linguistically diverse backgrounds. Clinical presentations to services were similar across all tertiles in both cohorts, however, functioning at presentation varied significantly within the FEP cohort. Significantly lower numbers of direct services were provided in the low tertile of both cohorts, with significantly poorer engagement in the initial three-months also occurring for these young people. This variation in early psychosis service patterns associated with geographical variation in social deprivation demonstrates the need for further research and fine tuning of national early psychosis services.
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http://dx.doi.org/10.1016/j.psychres.2023.115478 | DOI Listing |
Biol Psychiatry Cogn Neurosci Neuroimaging
September 2025
Developmental Imaging and Psychopathology Laboratory, University of Geneva School of medicine, Geneva, Switzerland; Department of Genetic Medicine and Development, University of Geneva School of Medicine, Geneva, Switzerland.
Background: Recent epidemiological evidence links early-life obesity and metabolic dysregulation to adult psychosis vulnerability, though a causal relationship remains unclear. Establishing causality in highly heritable psychotic disorders requires: 1) demonstrating that early-life metabolic factors mediate between genetic vulnerability and psychosis trajectory, 2) dissecting mechanisms leading to early-life obesity in genetically vulnerable individuals, and 3) clarifying downstream neurodevelopmental pathways linking early-life obesity to psychosis symptoms.
Methods: Here we investigated bidirectional pathways linking behavioral, BMI, and neurodevelopment trajectories in a unique longitudinal cohort of 184 individuals at high genetic risk for psychosis, due to 22q11.
Comput Methods Programs Biomed
September 2025
Department of Medical Imaging and Radiation Sciences, School of Primary and Allied Health Care, Faculty of Medicine, Nursing and Health Sciences, Monash University, Australia. Electronic address:
Background And Purpose: Several studies have shown changes in neurochemicals within the deep-brain nuclei of patients with psychosis. These alterations indicate a dysfunction in dopamine within subcortical regions affected by fluctuations in iron concentrations. Quantitative Susceptibility Mapping (QSM) is a method employed to measure iron concentration, offering a potential means to identify dopamine dysfunction in these subcortical areas.
View Article and Find Full Text PDFEur Child Adolesc Psychiatry
September 2025
Mental Health Unit, Virgen del Rocio University Hospital, Seville, Spain.
The COVID-19 pandemic brought unprecedented global challenges. Amid the crisis, the potential impact of COVID-19 exposure on the neurodevelopment of offspring born to infected mothers emerged as a critical concern. This is a prospective cohort study of pregnant women and their offspring enrolled in the Signature project at Hospital Universitario Virgen del Rocio in Seville, Spain, between 01/01/2024 and 08/31/2022.
View Article and Find Full Text PDFBackground: Schizotypy (ST) and psychotic-like experiences and negative symptoms (PENS) are commonly used phenotypes in high-risk and early intervention research for schizophrenia and other non-affective psychoses. However, the origin of these phenotypes in the general population is poorly understood and their association with the genetic predisposition to psychoses has not yet been proven.
Aim: The aim of this study is to answer the question of whether data on the relations of ST and PENS with polygenic risk scores for schizophrenia (SZ-PRS) support the hypothesis that these phenotypes are subclinical manifestations of genetic liability for schizophrenia.
Behav Cogn Psychother
September 2025
Early Intervention in Psychosis Services, Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle upon Tyne, UK.
Background: Hallucinations and other unusual sensory experiences (USE) are common in people with psychosis. Yet access to effective psychological therapies remains limited. We evaluated if we can increase access to psychological therapy by using a brief treatment, focused only on understanding and dealing with hallucinations (Managing Unusual Sensory Experiences; MUSE), delivered by a less trained but more widely available workforce that harnessed the benefits (engaging content, standardisation) afforded by digital technology.
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