1. By Sefonobong Obot

2. Key Questions What are iPGRC’s? Why is this information new? How can it help us in the future?

3. Concepts Iprgc :Intrinsically photosensitive retinal ganglion cells. Retinal ganglion cells are neurons located near the interface of the retina. Circadian clock: refers to our bodies ability to set time

5. Interesting findings Blind Mice, the little old lady, and sunshine? 1923- Clyde Keeler and his not so blind mice Foster and Provencio Steven Lockely and the 87-year old blind women

6. ipRGC’s “circadian clocks” our 24-7 biological clock Extend into many parts of the body “lark” and “ owl”

7. Any question

8. References Lok, C. (2011). Seeing without seeing.ProQuest, 469(7330), 284-285. Retrieved March 4, 2013, from http://quicksearch.chipublib.org/cgi-bin/cpl- gr.pl?url=http://search.proquest.com/docview/847540948?accountid=135622 http://quicksearch.chipublib.org/cgi-bin/cpl- gr.pl?url=http://search.proquest.com/docview/847540948?accountid=135622 Zimmer, C. (2012, Jan. - Feb.). The Brain: Our strange,important, subconscious light detectors. Discovery Magazine, 1, 1-4. Retrieved March 4, 2013, from http://discoverymagazine.com/2012/jan-feb/12-the-brain-our-strange-light-detectors http://discoverymagazine.com/2012/jan-feb/12-the-brain-our-strange-light-detectors Fosterb, R. G., Wulff, K., Gatti, S., &Wettstein, J. G. (2010). Sleep.Perspectives, 11, 589-599. Retrieved March 4, 2013, from http://www.nature.com/nrn/journel/v11/abshttp://www.nature.com/nrn/journel/v11/abs Foster, R. (2011). Bring back the night-your health and wellbeing depend on it. The Guardian, -, 1-6. Retrieved March 4, 2013, from http://www.guardian.co.uk/science/2011/jul/13/neuroscience-biologyhttp://www.guardian.co.uk/science/2011/jul/13/neuroscience-biology