Effect of polygenic scores on the relationship between psychosis and cognition

Cognitive impairment is an important but often under-researched symptom in psychosis. Both psychosis and cognition are highly heritable and there is evidence of a genetic effect on the relationship between them. Using samples of adults ( N  = 4 506) and children ( N  = 10 981), we investigated the e...

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Veröffentlicht in:Translational psychiatry Jg. 15; H. 1; S. 491 - 12
Hauptverfasser: Varney, Lauren, Jedlovszky, Krisztina, Wang, Baihan, Murtough, Stephen, Cotic, Marius, Richards-Belle, Alvin, Saadullah Khani, Noushin, Lau, Robin, Abidoph, Rosemary, McQuillin, Andrew, Thygesen, Johan H., Alizadeh, Behrooz Z., Bender, Stephan, Crespo-Facorro, Benedicto, Hall, Jeremy, Iyegbe, Conrad, Kravariti, Eugenia, Lawrie, Stephen M., Mata, Ignacio, McDonald, Colm, Murray, Robin M., Prata, Diana, Toulopoulou, Timothea, van Haren, Neeltje EM, Bramon, Elvira
Format: Journal Article
Sprache:Englisch
Veröffentlicht: London Nature Publishing Group UK 21.11.2025
Nature Publishing Group
Schlagworte:
631/208
692/53/2423
Adolescent
Adult
Behavioral Sciences
Biological Psychology
Bipolar disorder
Bipolar Disorder - genetics
Bipolar Disorder - psychology
Brain research
Child
Childhood
Cognition
Cognition & reasoning
Cognitive ability
Cognitive Dysfunction - genetics
Educational attainment
Educational Status
Female
Humans
Intelligence
Intelligence - genetics
Male
Medicine
Medicine & Public Health
Memory, Short-Term
Mental disorders
Middle Aged
Multifactorial Inheritance
Neuropsychological Tests
Neurosciences
Pharmacotherapy
Psychiatry
Psychosis
Psychotic Disorders - genetics
Psychotic Disorders - psychology
Quality control
Questionnaires
Schizophrenia
Schizophrenia - complications
Schizophrenia - genetics
Schizophrenia - physiopathology
Schizophrenic Psychology
Young Adult
United Kingdom > UK
United States > US
ISSN:2158-3188, 2158-3188
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Zusammenfassung:Cognitive impairment is an important but often under-researched symptom in psychosis. Both psychosis and cognition are highly heritable and there is evidence of a genetic effect on the relationship between them. Using samples of adults ( N  = 4 506) and children ( N  = 10 981), we investigated the effect of schizophrenia and bipolar disorder polygenic scores on cognitive performance, and intelligence and educational attainment polygenic scores on psychosis presentation. Schizophrenia polygenic score was negatively associated with visuospatial processing in adults (beta: −0.0569; 95% confidence interval [CI]: −0.0926, −0.0212) and working memory (beta: −0.0432; 95% CI: −0.0697, −0.0168), processing speed (beta: −0.0491; 95% CI: −0.0760, −0.0223), episodic memory (betas: −0.0581 to −0.0430; 95% CIs: −0.0847, −0.0162), executive functioning (beta: −0.0423; 95% CI: −0.0692, −0.0155), fluid intelligence (beta: −0.0583; 95% CI: −0.0847, −0.0320), and total intelligence (beta: −0.0458; 95% CI: −0.0709, −0.0206) in children. Bipolar disorder polygenic score was not associated with any cognitive domains studied. Lower polygenic scores for intelligence were associated with greater odds of psychosis in adults (odds ratio [OR]: 0.886; 95% CI: 0.811–0.968). In children, lower polygenic scores for both intelligence (OR: 0.829; 95% CI: 0.777–0.884) and educational attainment (OR: 0.771; 95% CI: 0.724–0.821) were associated with greater odds of psychotic-like experiences. Our findings suggest that polygenic scores for both cognitive phenotypes and psychosis phenotypes are implicated in the relationship between psychosis and cognitive performance. Further research is needed to determine the direction of this effect and the mechanisms by which it occurs.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:2158-3188
2158-3188
DOI:10.1038/s41398-025-03666-z