SEEING WITHOUT SEEING?

By Sefonobong Obot

Key QuestionsWhat are iPGRC’s?Why is this information new?How can it help us in the future?

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

Interesting findingsBlind Mice, the little old lady, and sunshine?

1923- Clyde Keeler and his not so blind miceFoster and ProvencioSteven Lockely and the 87-year old blind

women

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

Any question

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

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

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/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-biology