The brains of proficient readers have more complex cognitive functions and have a greater blood supply compared to the brains of beginning readers.
We can arrive at this answer because:
According to researchers at Stanford University, proficient readers have very different brains from beginning readers and non-readers.
This research states that proficient readers have a more developed brain, with deeper cognitive functions, in addition to receiving a greater blood supply, which is very beneficial to the brain's health. The brain of a beginning reader does not have these characteristics, but it is in the process of achieving them.
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https://brainly.com/question/18949816?referrer=searchResults