Single shot partial dual echo (SPADE) EPI--an efficient acquisition scheme for reducing susceptibility artefacts in fMRI.
Neuroimage
; 49(3): 2234-7, 2010 Feb 01.
Article
em En
| MEDLINE
| ID: mdl-19874900
ABSTRACT
SPADE is a new acquisition scheme for fMRI based on dual echo EPI. As in previous work, additional spin echo EPI images are used to recover signal in regions that are affected by susceptibility related sensitivity loss in gradient echo EPI. However, with SPADE the additional spin echo images are only acquired for the affected slices, which reduces the acquisition time and enhances the time normalised signal-to-noise ratio. We demonstrate the feasibility of this approach and discuss potential applications of the SPADE technique in fMRI. We conclude that SPADE provides an efficient acquisition scheme for fMRI applications where whole brain coverage and sensitivity is required.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Processamento de Imagem Assistida por Computador
/
Mapeamento Encefálico
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Imageamento por Ressonância Magnética
/
Artefatos
Limite:
Adult
/
Humans
Idioma:
En
Revista:
Neuroimage
Assunto da revista:
DIAGNOSTICO POR IMAGEM
Ano de publicação:
2010
Tipo de documento:
Article
País de afiliação:
Reino Unido