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The end of a dogma: Bipolar cells generate action potentials
To make information transmission to the brain reliable, the retina first has to ?digitize? the image. Until now, it was widely believed that this step takes place in the retinal ganglion cells, the output neurons of the retina. Scientists have now been able to show that already bipolar cells can generate "digital" signals. At least three types of mouse BC showed clear evidence of fast and stereotypic action potentials, so called "spikes". These results show that the retina is by no means as well understood as is commonly believed. 
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Very interesting.
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especially liked the jungle test in the fun tests.
- Dan Bierenga
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All fun and informative tests,
I shared them
with all my friends. Great way to better understand folks.
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