Comments on: Feedback Loops http://webvision.med.utah.edu The Organization of the Retina and Visual System Tue, 21 May 2013 00:04:07 +0000 hourly 1 http://wordpress.org/?v=3.5 By: Bryan William Jones http://webvision.med.utah.edu/book/part-iii-retinal-circuits/feedback-loops/#comment-19045 Bryan William Jones Thu, 17 Nov 2011 17:00:02 +0000 http://155.100.105.205/?page_id=129#comment-19045 I don’t know about retinal detachment and Viagra, though I have talked about PDE inhibitors and retinal degenerative diseases here: http://prometheus.med.utah.edu/~bwjones/2005/05/viagra-and-vision-loss/

]]> By: rajesh g http://webvision.med.utah.edu/book/part-iii-retinal-circuits/feedback-loops/#comment-19024 rajesh g Thu, 17 Nov 2011 13:53:52 +0000 http://155.100.105.205/?page_id=129#comment-19024 retina dettrachment & vigra medicine is there any side effect..

]]> By: Bryan Jones http://webvision.med.utah.edu/book/part-iii-retinal-circuits/feedback-loops/#comment-211 Bryan Jones Thu, 14 Apr 2011 23:01:50 +0000 http://155.100.105.205/?page_id=129#comment-211 I am sure there are many reasons, but one short answer is a historical one. Fish/turtle retinas were what was available and they are robust retinas that can survive in experimental dishes for the duration of the experiment. Its only been more recently with all of the development of genetic models and the push towards translational medicine that mice have taken the forefront in much of vision research.

Also, it should be noted that many fish (like bass) and turtles have *great, big* horizontal cell terminals. Salamanders also have these gorgeous, huge cones. Physically larger cell types are easier to patch onto for electrophysiological experiments.

]]> By: Kim http://webvision.med.utah.edu/book/part-iii-retinal-circuits/feedback-loops/#comment-210 Kim Thu, 14 Apr 2011 22:55:08 +0000 http://155.100.105.205/?page_id=129#comment-210 why were most work (about feedback from HCs to cones) done in the fish/turtle retina instead of mice/rat retina?

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