The Dorsal Stream and the Ventral Stream

She says it's as though you were somewhere inside your head, experiencing events and then deciding how to respond. It's a form of cartesian material materialism involving a little the inside who is having a stream of conscious experiences and acting upon them. The visual system consists of as many as forty parallel pathways taking different routes through the brain. Among these are two main paths, the dorsal stream that controls fast actions, and the slower ventral stream that perceives and recognizes objects.