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Researchers find early symptoms of psychosis spectrum disorder in youth occurring at higher rate than expected

psychosis
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A new study co-led by Associate Professor Kristin Cleverley of the Lawrence Bloomberg Faculty of Nursing has found evidence that Psychosis Spectrum Symptoms (PSS) are often present in youth accessing mental health services.

The findings are published in the journal Biological Psychiatry: Cognitive Neuroscience and Neuroimaging.

From a profile of the initial 417 aged 11-24 participating in the study, 50% were shown to meet the threshold for Psychosis Spectrum Symptoms, a number Cleverley says was higher than expected, meaning there is a large number of children with these symptoms accessing .

Cleverley, who is also the CAMH Chair in Mental Health Nursing Research, says that what is novel about this study is that researchers are assessing early indicators that might predict whether someone is more at risk of developing Psychosis Spectrum Disorder, and examine whether there is a point at which earlier intervention for that youth could be more effective.

"Traditionally, early psychosis care starts when there is a serious presentation of psychotic symptoms, which usually occurs in the late teen years," says Cleverley. "The current approach to identifying children at risk of developing a psychotic disorder is only about 5% effective, but with this study we can start to assess certain patterns or changes in function that can signal if an earlier intervention may be beneficial."

Psychosis Spectrum Disorder can be extremely disabling, and is linked to , long-term disability, and higher rates of death by suicide than other mental illnesses. Even without a diagnosis of psychosis, Psychosis Spectrum Symptoms can severely affect youth.

This study is one of three projects being led as part of the Toronto Adolescent and Youth (TAY) Cohort Study, which is set to follow 1,500 youth over the course of five years. The goal of the is to better understand the populations of youth seeking mental health treatment, how their mental health symptoms and functioning change over time, and whether early predictors of psychosis disorder can be determined.

This study was co-designed with patients and caregivers in addition to involving extensive engagement from clinicians. A novel aspect of the TAY Cohort Study is youth are given access to a patient-facing dashboard of their research results that is also integrated into their clinical record.

"We wanted to ensure that the study was embedded in the clinical program so that research assessments could be immediately utilized within , including supporting decisions about interventions or services," says Cleverley.

This will include a follow-up every six months, and will provide researchers access to information about whether symptoms in these youth become chronic or episodic, and whether these changes are related to developmental milestones or environmental stressors, or changes to mental health services.

"Our goal with this research is really to characterize this population better so that we can identify new strategies that will complement existing strategies for early identification of youth at risk of psychosis," says Cleverley. "It also creates an important opportunity for graduate students and researchers to develop sub-studies for this sample that will enable further research to improve youth mental health outcomes."

More information: Kristin Cleverley et al, The Toronto Adolescent and Youth Cohort Study: Study Design and Early Data Related to Psychosis Spectrum Symptoms, Functioning, and Suicidality, Biological Psychiatry: Cognitive Neuroscience and Neuroimaging (2023). DOI: 10.1016/j.bpsc.2023.10.011

Citation: Researchers find early symptoms of psychosis spectrum disorder in youth occurring at higher rate than expected (2024, January 30) retrieved 23 May 2024 from https://medicalxpress.com/news/2024-01-early-symptoms-psychosis-spectrum-disorder.html
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