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Abstract #4545

Spatial and voxel-wise evaluation of eigenvector stability within the human calf at 3T

Conrad Rockel 1,2 and Michael D Noseworthy 1,2

1 School of Biomedical Engineering, McMaster University, Hamilton, Ontario, Canada, 2 Imaging Research Centre, St Joseph's Healthcare, Hamilton, Ontario, Canada

Spatial distribution of eigenvector variability was investigated in the human calf at 3T using different amoungs of signal averages and encoding directions. The principal vector was found to vary much less than the two minor vectors. Furthermore, the spatial distribution appeared non-random and favourable to the peripheral musles, although noisier for the minor eigenvectors. The spatial distribution appeared dependent upon scan acquisition conditions.

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