Author

J. Feng

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Open access Oct 2026

HealthFound: a health world model for quantitative reasoning on longitudinal health profiles

Medical large language models (LLMs) have shown promise in medical knowledge retrieval and clinical reasoning. However, their capacity for quantitative reasoning over dense, longitudinal health data remains limited, largely due to the lack of effective training strategies that leverage large-scale, natural-language-bas...

H. Guo, L. Song, P. Ren et al. · medRxiv · 0 citations

Open access Oct 2026

Latent Brain-Symptom Dimensions Characterize Heterogeneity in Clinical High Risk for Psychosis

BACKGROUND: Clinical high risk (CHR) for psychosis is characterized by substantial heterogeneity in symptoms, functioning, and outcomes. Although distributed resting-state functional connectivity (RSFC) abnormalities have been reported, it remains unclear whether this heterogeneity can be organized into consistent mult...

J. Feng, S. Genon, S. Eickhoff et al. · medRxiv · 0 citations

Open access Sep 2026

Reduced Neural Convergence and Reorganized Paranoia-Related Representations During Ambiguous Social Narrative Processing in Schizophrenia

Schizophrenia may involve a fundamental disruption in the ability to construct a shared understanding of social reality, yet conventional neuroimaging studies have largely examined social cognition using simplified and highly structured paradigms that may not capture how individuals interpret complex and ambiguous inte...

L. Zhang, B. Xu, A. Deng et al. · medRxiv · 0 citations