In parallel, we cover state-of-the-art methods for producing, growing, and maturing human neurons and assessing their maturation. Also, I would be overjoyed if anyone looks at the extensive supplementary tables I put together on this topic :)

and we propose a (hopefully fun and memorable!) framework of testable hypotheses for future studies of maturation mechanisms.

mechanisms that may contribute to species differences,

We discuss cell-intrinsic and cell-extrinsic mechanisms and their interactions,