Ontology highlight
ABSTRACT:
SUBMITTER: Lashkari D
PROVIDER: S-EPMC3153957 | biostudies-literature | 2010 Jun
REPOSITORIES: biostudies-literature
Lashkari Danial D Sridharan Ramesh R Vul Edward E Hsieh Po-Jang PJ Kanwisher Nancy N Golland Polina P
Conference on Computer Vision and Pattern Recognition Workshops. IEEE Computer Society Conference on Computer Vision and Pattern Recognition. Workshops 20100601
We develop a method for unsupervised analysis of functional brain images that learns group-level patterns of functional response. Our algorithm is based on a generative model that comprises two main layers. At the lower level, we express the functional brain response to each stimulus as a binary activation variable. At the next level, we define a prior over the sets of activation variables in all subjects. We use a Hierarchical Dirichlet Process as the prior in order to simultaneously learn the ...[more]