Does anyone know anything about the connectivity of the superior colliculus? Or know of any straightforward published literature?
I've got that the superficial layers receive input from the visual system and the deep layers have multi-sensory inputs, but I'm finding conflicting information about the specifics.
I've read one source that suggests inputs are from magno and konio cellular retinal ganglion cells. But as I understand it, these are cell types in the lateral geniculate nucleus, so it's not clear if the inputs are from the LGN, or the retina.
Edit: Figure 2 here, shows "koniocellular" ganglion cells. Which I can't tell if they're meant to come from the LGN, or retina.
This article discusses some of the connectivity, but only with regards to eye fixation, rather than a general overview.