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Publication Detail
Partial least squares modelling for imaging-genetics in Alzheimer's disease: Plausibility and generalization
  • Publication Type:
  • Authors:
    Lorenzi M, Gutman B, Hibar DP, Altmann A, Jahanshad N, Thompson PM, Ourselin S
  • Publication date:
  • Pagination:
    838, 841
  • Published proceedings:
    Proceedings - International Symposium on Biomedical Imaging
  • Volume:
  • ISBN-13:
  • Status:
  • Name of conference:
    2016 IEEE 13th International Symposium on Biomedical Imaging (ISBI)
  • Conference place:
    Prague, Czech Republic
  • Conference start date:
  • Conference finish date:
  • Print ISSN:
© 2016 IEEE.In this work we evaluate the ability of PLS in generalizing to unseen clinical cohorts when applied to the analysis of the joint variation between genotype and phenotype in Alzheimer's disease (AD). The model is trained on single-nucleotide polymorphisms (SNPs) and brain volumes obtained from the ADNI database for a large cohort of healthy individuals and AD patients, and validated on the ADNI MCI and ENIGMA cohorts. The experimental results confirm the ability of PLS in providing a meaningful description of the joint dynamics between brain atrophy and genotype data in AD, while providing important generalization results when tested on clinically heterogeneous cohorts.
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