fslview software package provides viewer for (f)MRI and DTI data, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fslview
fslview is installed in your system.
Make ensure the fslview package were installed using the commands given below,
$ sudo dpkg-query -l | grep fslview *
You will get with fslview package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Science |
| Package | fslview |
| Version | 4.0.1-4 |
| Description | viewer for (f)MRI and DTI data |
| Sub Section | Science |