ArticleThe British journal of psychiatry : the journal of mental science2025
Medication and atypical brain maturation in psychosis associated with long-term cognitive decline and symptom progression.
Article in The British journal of psychiatry : the journal of mental science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Early deviations from normative brain morphology and cortical microstructure in schizophrenia spectrum disorders.Translational psychiatry · 2026Article
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16 authors.
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Abstract
backgroundClinical progression during psychosis has been closely associated with grey matter abnormalities resulting from atypical brain development. However, the complex interplay between psychopathology and heterogeneous maturational trajectories challenges the identification of neuroanatomical features that anticipate symptomatic decline.
aimsTo investigate cortical volume longitudinal deviations in first-episode psychosis (FEP) using normative modelling, exploring their relationship with long-term cognitive and symptomatic outcomes, as well as their cytoarchitectural and neurobiological underpinnings.
methodWe collected magnetic resonance imaging (MRI), cognitive and symptomatic data from 195 healthy controls and 357 drug-naïve or minimally medicated FEP individuals that were followed up 1, 3, 5 and 10 years following the first episode (1209 MRI scans and assessments in total). Using normative modelling, we derived subject-specific centile scores for cortical volume to investigate atypical deviations in FEP and their relationship to long-term cognitive and symptomatic deterioration. The resulting centile association maps were further characterised by examining their cytoarchitectural and neurobiological attributes using normative atlases.
resultsFEP centiles demonstrated a widespread reduction at treatment initiation, with longitudinal analysis showing an increase during treatment time, indicating convergence towards normal maturation trajectories. Interestingly, this effect was reduced in highly medicated individuals. Additionally, we found that cognitive impairments experienced during early FEP stages worsened under long-term medication. Positive symptomatology was negatively associated with regional centiles, and individuals with higher centiles benefited most from treatment. Cytoarchitectural and neurobiological analyses revealed that regional centiles related to FEP, as well as to symptomatology, were associated with specific molecular features, such as regional serotonin and dopamine receptor densities.
conclusionsCollectively, these findings underscore the potential use of centile-based normative modelling for a better understanding of how atypical cortical development contributes to the long-term clinical progression of neurodevelopmental conditions.
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