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Abstract #2225

Effect of Compressed SENSE on Freesurfer parcellation precision

Michael A Green1,2, Peter Humberg3, Iain K Ball4, and Caroline D Rae1,2
1Neuroscience Research Australia, Sydney, Australia, 2School of Medical Sciences, University of New South Wales, Sydney, Australia, 3Stats Central, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, Australia, 4Philips Australia & New Zealand, Sydney, Australia


We employed the commonly used software package, Freesurfer to obtain volume, area and thickness measurements from structural MR imaging data acquired using the Compressed SENSE acceleration technique. We assessed measurement reliability via equivalence testing on a series of increasing acceleration factors to provide guidelines for researchers wanting to reduce scan acquisition time while acquiring high-quality data.

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