https://link.springer.com/article/10.1007/s11011-017-0088-z
"Both diet groups showed significant improvement in ATEC and CARS scores in comparison to control group, yet ketogenic scored better results in cognition and sociability compared to GFCF diet group."
El-Rashidy, O., El-Baz, F., El-Gendy, Y. et al. Metab Brain Dis (2017). https://doi.org/10.1007/s11011-017-0088-z