The ADC in DtiStudio is "Apparent Diffusion Constant"<div>If your b-table has a 30-orientation scheme, you get 30 ADC maps. Suppose the first line of the b-table is [1, 0, 0], then the first ADC is "apparent diffusion constant" along X. </div>
<div><br></div><div>Obviously, we hardly use any of ADC values calculated in DtiStudio. If you want "Average Diffusion Constant", then "Trace" is what you want which is 3 x "Average diffusion constant". In other words, if you divide Trace by 3, you get "average diffusion constant".<br>
<br><div class="gmail_quote">On Fri, Oct 21, 2011 at 3:35 PM, Amanmeet Garg <span dir="ltr"><<a href="mailto:aman1986@gmail.com">aman1986@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi,<br> Is the ADC map received from the DTIStudio calculation the Apparent Diffusion Coeff or the "Average Diffusion coeff "<br><br>Regards<br><font color="#888888">-- <br>Amanmeet Garg<br><br>Graduate Student<br>
Simon Fraser University<br>
8888 University Drive,<br>Burnaby, BC, Canada<br>V5A1S6<br>
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