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Single shot partial dual echo (SPADE) EPI--an efficient acquisition scheme for reducing susceptibility artefacts in fMRI.

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.

journal_name

Neuroimage

journal_title

NeuroImage

authors

Schwarzbauer C,Porter DA

doi

10.1016/j.neuroimage.2009.10.059

subject

Has Abstract

pub_date

2010-02-01 00:00:00

pages

2234-7

issue

3

eissn

1053-8119

issn

1095-9572

pii

S1053-8119(09)01130-6

journal_volume

49

pub_type

杂志文章

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