visual processing and on the other hand use may be a you know by no means perfect but but the reason why X which is some explanation for review of it auditory processing as well and it turns out you can do a similar study on them early somatosensory processing as well this is work done by Andrew Sacco Stanford where he collected touch data how do you call it touch data right so the way that done Andrew Andrew Sachs did it was um you know so we hold things of our hands all the time when I'm holding this thing but