Author

L. Chinthala

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Open access Sep 2026

X-Admix: An Interpretable Multimodal Cross-Attention Framework for Integrating Genotype, Local Ancestry, and Social Drivers of Health in Admixed African American Populations

Disease risk in admixed human populations is shaped by interactions among genotype, locus-specific ancestry, and the social environment, but predictive frameworks rarely model these three modalities jointly. We introduce X-Admix, an interpretable multimodal framework integrating genotype, local ancestry, and social dri...

N. Tahmin, L. Chinthala, T. Mersha et al. · medRxiv · 0 citations

Open access Jul 2026

Fine-Tuned Large Language Models for Detecting Social Isolation from Unstructured Clinical Notes

Objectives: This study aimed to leverage FLAN-T5-Large, BERT, RoBERTa, and Gemma-2-2B, with fine-tuning, to identify instances of social isolation and social support within unstructured clinical notes. Materials and Methods: Annotated clinical note spans containing social context cues were used to fine-tune each model....

L. Chinthala, C. Lemon, A. Shaban-Nejad et al. · medRxiv · 0 citations