eli5:Why brain size doesnt actually matter?
In: Biology
Another redditor explained this very well already, but I will also add that it is a well documented phenomena that when parts of the brain are damaged, other parts of the brain will take over the duties of the damaged parts. We have no idea how this happens.
There was a case of a man who had a substantial hole in his brain and the space was filled with a huge benign cyst. He functioned quite well and the parts of his brain that did exist took over all the traditional functions of our brain and it did it so well that no one noticed until a test was done for an unrelated condition later in life.
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