There's a pretty inspirational Ted Talk about the founder of IDEO, a design firm that created the first Apple mouse, where an MRI machine engineer went through their design process and created a fun experience for kids who were scared of the machines. It's here: https://www.youtube.com/watch?v=16p9YRF0l-g and starts at about 6:00 and lasts for a bit over 2 minutes. The whole video is worth it though imo