Omar Mohammed

Competence Is Not Protection: Prompt-Channel Demographic Bias in Pathology Vision-Language Models, and the Geometry That Predicts It

Part IV of a series on equity and reliability in medical imaging AI. Part III of this series showed that naming a demographic group in the text prompt of a medical vision–language model changes its diagnosis on a fixed chest radiograph, that the perturbation is exactly rank one i...

Competence Is Not Protection: Prompt-Channel Demographic Bias in Pathology Vision-Language Models, and the Geometry That Predicts It

Part IV of a series on equity and reliability in medical imaging AI. Part III of this series showed that naming a demographic group in the text prompt of a medical vision–language model changes its diagnosis on a fixed chest radiograph, that the perturbation is exactly rank one i...