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Publication Detail
Probabilistic event cascades for Alzheimer's disease
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Conference Proceeding
  • Authors:
    Huang J, Alexander D
  • Publication date:
    01/12/2012
  • Pagination:
    3095, 3103
  • Journal:
    Advances in Neural Information Processing Systems
  • Volume:
    4
  • Status:
    Published
  • Print ISSN:
    1049-5258
Abstract
Accurate and detailed models of neurodegenerative disease progression are crucially important for reliable early diagnosis and the determination of effective treatments. We introduce the ALPACA(Alzheimer's disease Probabilistic Cascades) model, a generative model linking latent Alzheimer's progression dynamics to observable biomarker data. In contrast with previous works which model disease progression as a fixed event ordering, we explicitly model the variability over such orderings among patients which is more realistic, particularly for highly detailed progression models. We describe efficient learning algorithms for ALPACA and discuss promising experimental results on a real cohort of Alzheimer's patients from the Alzheimer's Disease Neuroimaging Initiative.
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