Detection of fMRI activation using cortical surface mapping.

Détails

Ressource 1Télécharger: BIB_0C54D94BB754.P001.pdf (469.93 [Ko])
Etat: Serval
Version: de l'auteur
ID Serval
serval:BIB_0C54D94BB754
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Detection of fMRI activation using cortical surface mapping.
Périodique
Human Brain Mapping
Auteur(s)
Andrade A., Kherif F., Mangin J.F., Worsley K.J., Paradis A.L., Simon O., Dehaene S., Le Bihan D., Poline J.B.
ISSN
1065-9471 (Print)
ISSN-L
1065-9471
Statut éditorial
Publié
Date de publication
2001
Volume
12
Numéro
2
Pages
79-93
Langue
anglais
Notes
Publication types: Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't Publication Status: ppublish
Résumé
A methodology for fMRI data analysis confined to the cortex, Cortical Surface Mapping (CSM), is presented. CSM retains the flexibility of the General Linear Model based estimation, but the procedures involved are adapted to operate on the cortical surface, while avoiding to resort to explicit flattening. The methodology is tested by means of simulations and application to a real fMRI protocol. The results are compared with those obtained with a standard, volume-oriented approach (SPM), and it is shown that CSM leads to local differences in sensitivity, with generally higher sensitivity for CSM in two of the three subjects studied. The discussion provided is focused on the benefits of the introduction of anatomical information in fMRI data analysis, and the relevance of CSM as a step toward this goal.
Mots-clé
Brain Mapping/methods, Cerebral Cortex/physiology, Computer Simulation, Humans, Magnetic Resonance Imaging/methods, Models, Neurological, Reproducibility of Results
Pubmed
Web of science
Création de la notice
11/09/2011 14:32
Dernière modification de la notice
03/03/2018 13:37
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