The Smells and Dogs and Smiles in Humans?

There's no established understanding that these are fringe guys, the smell systems. So i got interested in how auditory information and visual information can be put into a common reference frame. And very quickly you have to start thinking about, how are the norons actually representing information about where stimulas are located? The location of activation in this photo receptor array corresponds to the location of the stimulus in the d so that's a kind of map. But with the auditory system, figuring out where sounds are located is intrinsically a computation that the brain has to be performing by comparing the two ears. You could imagine left preferring neurons and right preferring neurons, and the ratio of activity in those two pools would indicate which