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I found our discussion this week about the sensory side of the nervous system very interesting. Being nearsighted, I have always wondered about how vision works and how it affects our sense of reality. I am still in awe of the blind spot test. Before our discussion I had never been conscious of my blind spot. The demonstration in class was remarkable; I can’t believe that my brain fills in the blind spot by guessing what is most likely there. I can’t help but wonder now what is and what isn’t a construction of my brain. What is reality? Although I understand why my brain must fill in my blind spot, I can’t help but feel a little bit betrayed by my brain because it is lying to me and making things up. I also found the McGurk effect very interesting. I had never realized how much of what we hear is a function of both what we see and what we hear.