I think this is due to afferent, as opposed to efferent, neural
connections.
Cheers, Steve.
On 1 Apr 2009, at 11:20, Jürgen Hänggi wrote:
> Dear FSL experts
>
> We computed the mean diffusivity across the brain in order to use this
> measure as a covariate and noticed that there are also negative MD
> values.
>
> Why are there negative values in the MD maps and what does these
> negative
> values mean?
>
> The unit of the MD maps is mm2/s, isn't it?
>
> Thanks in advance
> Regards
> Jürgen
>
> ----------------------------------------------------------------------------
> Juergen Haenggi
> Ph.D. (Dr. des.)
> Division Neuropsychology
> Institute of Psychology
> University of Zurich
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