Abstract #3914
Combined Echo Volumar Imaging (EVI) and Localized Excitation for Motion Insensitive Fetal fMRI
Rita G. Nunes 1,2 , Giulio Ferrazzi 1 , Anthony Price 1 , Matthew Fox 1 , Christina Malamateniou 1 , Mary Rutherford 1 , and Joseph Hajnal 1,3
1
Centre for the Developing Brain, King's
College London, London, United Kingdom,
2
Instituto
de Biofisica e Engenharia Biomedica, Universidade de
Lisboa, Lisbon, Portugal,
3
Division
of Imaging and Sciences and Biomedical Engineerin,
King's College London, London, United Kingdom
Initial fMRI studies of the fetal brain have used
standard multi-slice 2D EPI sequences and either
required intra-volume motion correction or led to a high
data rejection rate. We propose combining an EVI readout
with localized excitation of the fetal brain to achieve
a TR in the order of 150ms therefore significantly
reducing sensitivity to motion. This methodology was
shown to be feasible in three adult volunteers and a
first acquisition test was performed on the fetal brain
in utero.
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