Psychosis Spectrum Symptoms often present in youth accessing mental health services, study finds

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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.

From a profile of the initial 417 youth aged 11-24 participating in the study, 50 per cent 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 mental health services.

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. The current approach to identifying children at risk of developing a psychotic disorder is only about 5 per cent 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."

Kristin Cleverley, Associate Professor of the Lawrence Bloomberg Faculty of Nursing

Psychosis Spectrum Disorder can be extremely disabling, and is linked to cognitive impairment, 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 that is set to follow 1500 youth over the course of five years. The goal of the cohort study 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 spectrum disorder can be determined.

This study was co-designed with patient 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 clinical practice, including supporting decisions about interventions or services," says Cleverley.

This longitudinal study 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."

Journal reference:

Cleverley, K., et al. (2023). 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.


The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of News Medical.
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