Nros 418 - Study guides, Class notes & Summaries

Which 2 groups originally classified neurons by morphology? - ANSWER 1. Golgi 2. Ramon y Cajal What was the first technique used to visualize the neuron? - ANSWER Golgi staining technique How does golgi staining technique work? - ANSWER If you put brain tissue into solution with silver nitrate for a few days the solution goes into neuron and makes it visible What debate occurred between Golgi and Ramon/Cajal - ANSWER - Golgi thought that the nervous system was one connected network, wh...

Why does the organization of the eye guarantee that we have a blind spot? Why can't we normally detect the blind spot? - The blind spot occurs due to the lack of photoreceptors where the optic nerve and blood vessels exit the eye. Our brain fills the blind spot in by using information that surrounds the blind spot area using ipsilateral and contralateral visual input. What is different about the fovea and the rest of the retina? Why is visual acuity best when images fall on the fovea? - Th...

Why does the organization of the eye guarantee that we have a blind spot? Why can't we normally detect the blind spot? -ANSWER The blind spot occurs due to the lack of photoreceptors where the optic nerve and blood vessels exit the eye. Our brain fills the blind spot in by using information that surrounds the blind spot area using ipsilateral and contralateral visual input. What is different about the fovea and the rest of the retina? Why is visual acuity best when images fall on the fovea? ...