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I am interested in the organ, eye.  And I am so glad that we talk about vision and its relationship with out brain.  Last week, I was surprised to know how our brain only recognizes the edge of the object and fills the blind spot with continous pattern.  I agree with Leah's notion that the reason why we humans go for only the edge is that otherwise, it would be too much information for us. 

To add onto that, I think our brain is very busy with relating the newly accepted information with many other things.  To make an analogy, we earlier learned that out of the three types of neurons(sensory, inter, and motor), inter neurons takes up the most part of our nervous system.  In the case of the edge and the brain, if our brain was to get all the information including the gaps within the edge, it would reduce its ability to think, interpret, and proceed.  In other words, we would be too overwhelmed and would lose our autonomy. 

So, i think it's for our benefit in which with the minimal amount of information that we need to get, we fully utilize it to connect with other stuffs such as making plan for the future, reflecting on the past experience, and creating curiosity about the object even further. 

I think most of the human history is made within our brain by great thoughts or interpretation, not by the actual facts or objects that are out there.  I think such leeway to differentiate or personalize the objectivity of the world makes this world more diverse, creative, unexpected, and beautiful. 

That's why there are great pianists, or other artists who play the song written by a single composer in their own ways with different emotions, etc. I like how our brain is always like a factory to create various stuffs based on the minimal information given.  Credit for interneurons.

I further want to know more about what and where in our body actually controls how much information we should receive. 

I also want to know if there is any disease in which a person cannot control the reception of limited information we need.  What if the brain fails to see only the edge.. is there such a disease?