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Visual memory and psychotic symptoms in youth
Emily Howes Vallis1,2, Lynn E MacKenzie1,3, Alyson Zwicker2,4
1Department of Psychiatry, Dalhousie University, Halifax, Canada.
Cognitive Neuropsychiatry
|March 24, 2020
Summary
Children and adolescents with psychotic symptoms often have lower visual memory. This visual memory deficit persists regardless of general cognitive ability, suggesting potential for early intervention in youth mental health.
Area of Science:
- Neuroscience
- Psychiatry
- Developmental Psychology
Background:
- Psychotic symptoms in youth are linked to future psychiatric disorders.
- Visual memory deficits may predict mental illness risk.
- The link between visual memory and psychotic symptoms in youth is understudied.
Purpose of the Study:
- To investigate the association between visual memory and psychotic symptoms in a youth cohort.
- To determine if visual memory can serve as an early indicator for psychiatric risk.
Main Methods:
- Assessed visual memory using the Rey Complex Figure Test (RCFT).
- Evaluated psychotic symptoms via validated semi-structured interviews.
- Analyzed data from 205 participants (ages 7-27) using mixed-effects logistic regression.
Main Results:
- Psychotic symptoms were significantly associated with lower visual memory (OR=1.80, p=0.030) after controlling for covariates.
- This association remained significant even after accounting for general cognitive ability.
Conclusions:
- Lower visual memory performance is a significant correlate of psychotic symptoms in youth.
- Findings suggest visual memory deficits may be an independent risk marker for psychosis in young individuals.
- This research supports the development of targeted early intervention strategies for at-risk youth.
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