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Abstract #1937

The Relative Sensitvity of Different White Matter Indices to Partial Volume Artefacts

Derek K. Jones1

1CUBRIC, School of Psychology, Cardiff University, Cardiff, Wales, United Kingdom

We characterise the relative sensitivity of different white matter indices to the effects of partial volume contamination by CSF. We show that mean diffusivity is far more sensitivity than fractional anisotropy. The sensitivity is also dependent on the b-value and the anisotropy of the tensor.