accuracy, reliability, and validity of freesurfer measurements david h. salat
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DESCRIPTION
What is Accuracy? Accuracy: the degree of closeness of a measured or calculated quantity to its actual (true) value (e.g. a physical property such as length or thickness) MRI measures are indirect. We may be able to measure morphometry accurately given the contrast of the MR image, however, this contrast may differ from measurements from the actual tissue.