What is the cause of lissencephaly?

the defect is presumably an overmigration of neurons past their targets, giving rise to the abnormally bumpy surface.

Lissencephaly is due to a defect in neuronal migration, a sequence of events in early brain development in which nerve cells travel to their final destinations to populate and form the six layers of...

Insecurity? If there's one person who about insecurity, its me. I spent my early childhood incredibly insecure. And up until now, I still know lots of other people who are stuck in that STAGE. There...

Proximate: What triggered the immediate response of an animal? Ultimate: how did it benefit the species?

The formation of numerous, closely spaced rills due to the uneven removal of surface soil by streamlets of running water. Also known as rilling; rill wash; rillwork.