Redefining the pathways in the basilar pons, part 1. The descending fibre bundles.

Download: program-data package for DSI STUDIO (https://dsi-studio.labsolver.org/download.html) and for 3D slicer (https://download.slicer.org/).Method:Diffusion tractography was performed on human specimen One from Duke University using DSI Studio (http://dsi-studio.labsolver.org/). A high-angular resolution diffusion MR imaging (HARDI) scheme was used, and a total of 120 diffusion sampling directions were acquired. The b-value was 4000 s/mm². The in-plane resolution and the slice thickness were both 0.2 mm. The diffusion tensor was calculated.Instructions:Download FAC, specimen 1 Duke / fractional anisotropy maps and run with 3D slicer for neuronavigation in transverse, sagittal, coronal planes.Download fib file (Reg_S64550_nii4d.nii.gz.src.gz.012fx.dti.fib) and Browse/open it with dsi studio. Double click on fib file to open. open yellow folder in the Region Window of dsi studio and upload nodif_brain_mask.nii.gz file to render the tracts with an anatomical background GRE.Download and open with yellow folder in Tract list in dsi studio 1) script for ventral descending bundles.gz, for the cervical, 2) script for intermediate descending bundles.gz, for the thoracic, 3) script for dorsal descending bundles.gz, for the lumbar/sacral pyramidal tract. Download 4) script for striatonigral-corticonigral pathway.gz, for the striatonigral/corticonigral pathways.Reference: Principles of organisation within the pathways in the brainstem and thalamus. UNSW 2022.https://doi.org/10.26190/unsworks/24097<br>