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Shared latent structures between imaging features and biomarkers in early stages of Alzheimer's disease

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10.1007/978-3-030-00320-3
 
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Cita com:
hdl:2117/127339

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Casamitjana Díaz, AdriàMés informacióMés informació
Vilaplana Besler, VerónicaMés informacióMés informacióMés informació
Petrone, Paula
Molinuevo, Jose Luis
Gispert, Juan Domingo
Document typeConference lecture
Defense date2018
PublisherSpringer International Publishing
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
In this work, we identify meaningful latent patterns in MR images for patients across the Alzheimer’s disease (AD) continuum. For this purpose, we apply Projection to Latent Structures (PLS) method using cerebrospinal fluid (CSF) biomarkers (t-tau, p-tau, amyloid-beta) and age as response variables and imaging features as explanatory variables. Freesurfer pipeline is used to compute MRI surface and volumetric features resulting in 68 cortical ROIs and 84 cortical and subcortical ROIs, respectively. The main assumption of this work is that there are two main underlying processes governing brain morphology along the AD continuum: brain aging and dementia. We use two different and orthogonal PLS models to describe each process: PLS-aging and PLS-dementia. To define PLS-aging model we use normal aging subjects and age as predictor and response variables, respectively, while for PLS-dementia we only use demented subjects and biomarkers as response variables.
CitationCasamitjana, A., Vilaplana, V., Petrone, P., Molinuevo, J., Gispert, J. Shared latent structures between imaging features and biomarkers in early stages of Alzheimer's disease. A: International Conference on Medical Image Computing and Computer Assisted Intervention. "PRedictive Intelligence in MEdicine". Springer International Publishing, 2018, p. 60-67. 
URIhttp://hdl.handle.net/2117/127339
DOI10.1007/978-3-030-00320-3
ISBN978-3-030-00319-7
Publisher versionhttps://link.springer.com/chapter/10.1007/978-3-030-00320-3_8
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  • GPI - Grup de Processament d'Imatge i Vídeo - Ponències/Comunicacions de congressos [317]
  • Departament de Teoria del Senyal i Comunicacions - Ponències/Comunicacions de congressos [3.460]
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