One source I read said a human retina has about 127 million cells, but only one
ID: 1343362 • Letter: O
Question
One source I read said a human retina has about 127 million cells, but only one million nerves going from those cells back to the brain (to be interpreted as an image by the brain). So groups of 100 or so retinal cells are the basic unit of visual activity. What is the best answer, what is the reasoning?A.) the 100 or so cells of each group must be adjacent to each other to form images.
B.) the 100 or so cells may or may not be adjacent to form images --either way would work
C.) the 100 or so cells must be distributed over the whole retina i.e. not adjacent -- to form images.
Reasoning? One source I read said a human retina has about 127 million cells, but only one million nerves going from those cells back to the brain (to be interpreted as an image by the brain). So groups of 100 or so retinal cells are the basic unit of visual activity. What is the best answer, what is the reasoning?
A.) the 100 or so cells of each group must be adjacent to each other to form images.
B.) the 100 or so cells may or may not be adjacent to form images --either way would work
C.) the 100 or so cells must be distributed over the whole retina i.e. not adjacent -- to form images.
Reasoning? One source I read said a human retina has about 127 million cells, but only one million nerves going from those cells back to the brain (to be interpreted as an image by the brain). So groups of 100 or so retinal cells are the basic unit of visual activity. What is the best answer, what is the reasoning?
A.) the 100 or so cells of each group must be adjacent to each other to form images.
B.) the 100 or so cells may or may not be adjacent to form images --either way would work
C.) the 100 or so cells must be distributed over the whole retina i.e. not adjacent -- to form images.
Reasoning?
Explanation / Answer
A.) the 100 or so cells of each group must be adjacent to each other to form images.
reason:- rod and cone cells arranged adjacent to each other and other cell form plexus .
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