Hi Roxanne,
That sounds so interesting, regarding your work with children who have autism. I am not qualified to pick which picture is “the one”. You might appreciate (if you haven’t seen his work already) the approach Daniel Amen takes, in scanning people’s brains before he works with them.
Here is an interview with Dr Amen, on Stephen Bartlett’s podcast: https://www.youtube.com/watch?app=desktop&v=ycTZ_t-aiuU