line 45-degree edge like this shown on the left with the dark region next to a bright region and there's probably a different neuron in your brain right now there's looking for a vertical line like this one right here okay so um how can we get our software to maybe mimic the brain and also find edges like this what we don't want to do is code this up by hand because you know what I don't want to do is tell us the neuroscientist and then work really hard to right hand engineer software the replica I think what's most much more