A small group of retinal cells, known as OFF ganglion cells, can detect small dips in light levels and appear to be responsible for shadow detection.from Neuroscience News https://ift.tt/cE6vKxS
In this podcast, Dr Heidi Moawad interviews a neurologist currently researching new, available treatments in headache medicine. from Front page feed http://bit.ly/2HVwnPv
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