Parallel imaging techniques in functional MRI

Xavier Golay, Jacco A. De Zwart, Yi Ching Lynn Ho, Yih Yian Sitoh

Research output: Contribution to journalReview articlepeer-review

Abstract

Originally developed for increased scanning velocity in cardiac imaging, parallel imaging (PI) techniques have recently also been applied for the reduction of artifacts in single-shot techniques. In functional brain imaging (fMRI) techniques, PI has been used for several purposes. It has been applied to reduce the distortions caused by the length of the echo-planar imaging readout, diminution of the gradient-related acoustic noise, as a means to increase acquisition speed or to increase the achievable brain coverage per unit time. In this article, the different applications of PI techniques in fMRI are reviewed, together with the basic theoretical background and the recently developed hardware necessary to achieve rapid, high signal-to-noise ratio PI-fMRI.

Original languageEnglish (US)
Pages (from-to)255-265
Number of pages11
JournalTopics in Magnetic Resonance Imaging
Volume15
Issue number4
DOIs
StatePublished - Aug 2004

Keywords

  • Arterial spin labeling
  • BOLD
  • Parallel imaging
  • SENSE
  • SMASH
  • VASO
  • fMRI

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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