so that 's the product. And then , um , then he has each of these AND things. And , um , but  so they 're little neural  neural units. Um , and , um , they have to have targets. And so the targets come from EM.
And so are each of these , low level detectors   are they , uh  are these something that you decide ahead of time , like " I 'm going to look for this particular feature or I 'm going to look at this frequency , " or  What  what  what are they looking at ?
Um
What are their inputs ?