Modeling a brain sounds like a pain.
Pulling points in the wrinkles is driving me insane.

So I’m trying to puff it up with some baking.

Step 1. Rebuild this from scratch. The gyrus need to be smaller and the sulcus (wrinkles) need to be more frequent.

Step 2. Use this popping accident to my advantage.

*UPDATE*

Ok, this looks more like a brain.