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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Neurobiol Learn Mem. 2015 Jul 4;129:107–112. doi: 10.1016/j.nlm.2015.06.014

Figure 1.

Figure 1

The prototypical perforant path was hypothesized to run at a 45° angle within coronal slices (i.e., from entorhinal cortex to the subiculum; black line). We separately calculated the dot product between the prototypical perforant path and the primary (red lines) and secondary (blue lines) modeled fiber vectors for each voxel. Fibers most consistent with the perforant path (yellow and green voxels) were isolated by thresholding PP·DY at 50% of the maximum value. The final perforant path estimation is presented on the far right (orange voxels).