It’s to study how the brain works by simulating it. There’s been a lot of cool advances in AI architecture that can conceivably tell us a lot about brain function

I’ve been reading up a lot on how neuroscience is turning to AI to better understand brain function and it is super cool

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10053494/#:~:text=With respect to neuroscience%2C AI,neurological disorders early [23].