scientists examined sections of the upper front and lower rear of both hemispheres because these areas are involved in “higher” thinking.  

scientist found that even though there was evidence he had greater intellectual processing, it cannot be determined if Einstein was born with this or developed it later.

scientist’s previous work had shown that animals put in environments that stimulate mental activity develop more glial cells per neuron.  

scientists found that the physicist’s brain contained more glial cells per neuron in all four areas, compared with the brains of eleven normal males.