Just found these cool instructional videos on youtube.com
They have nothing to do with the MRI scanning, but they’re animated. Moreover I’ve also found Fallout 4 instructional videos, which is funny because that is the style I’m going for.

Here’s a retro training video (this one is not animated, it’s just old and in a way inspirational):

Here’s an animated First aid video, which is quite weird in a way:

And here are Fallout 4 instructional videos which can help me with style and theme: