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June 20, 2026Psychological MedicineOpen Access

Schizophrenia and bipolar disorder: a comparative analysis of genetic and brain network connectivity

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Authors

HRHongyan RenYLYunjia LiuYHY Huang

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Overview

Randomized trial compares genetic influences and brain connectivity patterns in schizophrenia and bipolar disorder, suggesting implications for diagnosis and treatment.

Key Points

  • This research aims to clarify the genetic and neural distinctions between schizophrenia and bipolar disorder.
  • Applied genome-wide inferred statistics to analyze genetic architecture of SCZ and BD.
  • Extracted functional and structural connectivity data from resting-state network analysis using UK Biobank data.
  • Utilized causal inference approaches to assess relationships between brain connectivity and the disorders.
  • Identified both common and distinct brain network connectivity patterns for SCZ and BD.
  • Notably, structural connectivity in the default mode network exhibited opposing effects, indicating different structural bases.
  • Causal relationships were observed in the limbic network and frontotemporal control network, suggesting shared neural substrates for both conditions.

Cite This Study

Ren et al. (2026) studied this question.

synapsesocial.com/papers/6a3632d2db0793dc1a5394f7https://doi.org/10.1017/s0033291726104413
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Shared genetic architecture of gray matter deficits in schizophrenia and bipolar disorder: evidence from structural neuroimaging–genetic analyses2026
  2. 2Disrupted Structural Covariance in Schizophrenia, Bipolar Disorder, and Major Depressive Disorder2025
  3. 3The Landscape of Shared and Divergent Genetic Influences across 14 Psychiatric Disorders2025
  4. 4Mapping the genetic landscape across 14 psychiatric disorders2025 · 108 citations
  5. 5Divergent pattern of functional connectivity within the dorsal attention network differentiates schizophrenia and bipolar disorder patients2024 · 2 citations