Quantitative analysis of retinal function in early stages of retinal degeneration in the rd1 mouse
Quantitative analysis of retinal function in early stages of retinal degeneration in the rd1 mouse
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DOI:
10.17077/etd.ipizeeoq
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发表时间:
2010
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影响因子:
--
通讯作者:
E. Nylen
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文献类型:
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作者:
E. Nylen
Recommended Citation Nylen, Erik Lee. "Quantitative analysis of retinal function in early stages of retinal degeneration in the rd1 mouse. iii My greatest concern was what to call it. I thought of calling it 'information,' but the word was overly used, so I decided to call it 'uncertainty.' When I discussed it with John von Neumann, he had a better idea. Von Neumann told me, 'You should call it entropy, for two reasons. In the first place your uncertainty function has been used in statistical mechanics under that name, so it already has a name. In the second place, and more important, nobody knows what entropy really is, so in a debate you will always have the advantage.' Claude Shannon Scientific American iv ACKNOWLEDGMENTS I thank Dr. Edwin Dove for serving as an outstanding adviser and providing me with much support since the first day I set foot on campus at Iowa. I give many thanks to support of my personal and professional interests. have helped me at each juncture. I thank all of my friends, notably those in Dance Marathon and ICHI, for much needed support over the years. I give the highest acknowledgment to my brother, Paul, without whom I would have never accomplished any of this thesis, as well as Mom, Dad, my grandparents, cousins, aunts, and uncles, for their unwavering support of my every venture, no matter how far off the path it may seem. v ABSTRACT In this thesis, I use a range of techniques in computational neuroscience, communication theory, and electrophysiology to characterize functional changes that occur in early stages of retinal degeneration in the mouse. At post natal day 14, retinal ganglion cells in the rd1 mouse exhibit peculiar differences from age matched controls: an increased latency of responses to the onset of a light stimulus, decreased spike count in response to stimulus onset, increased spontaneous firing activity, and a decrease in information transmission. I propose this is due to an up-regulation of OFF bipolar cell excitation, a critical factor in functional changes seen in rd1, and use innovative techniques to discover findings that support these claims.