The data proved, among others, that meditation may slow down or prevent age-related thinning of the frontal cortex that otherwise contributes to the formation of memories
Neuroscience of Mindfulness: What Exactly Happens to Your Brain When You Meditate
Kristyna Zapletal

The organising / logical part of the brain as well? Autistic people have more thinning here I believe. There’s been some research on benefits of mindfulness for autism. I am an example of precisely this.