...
*_Hence for now we keep it simple and report units of A-m, since the conversion to A/m||2 would only be another layer of modeling complexity best left to the user's own interpretations. The summary rough calculation given above will put you in the right order of magnitude.
_*
Original thread: http://neuroimage.usc.edu/forums/showthread.php?1246-Doubtt/doubt-about-current-density-units-pa-pA.m-or-pApa-m2
A very interesting paper from Yoshio Okada's Team: :murakami2006.pdf|