Einstein's brain did not contain more neurons overall than the average person's. It did, however, contain more astrocytes, in the left inferior parietal area of the brain, a region associated with mathematical thinking.

Did Albert Einstein use more of his brain?

Thomas misquoted the brilliant American psychologist William James as saying that the average person specifically "develops only 10 percent of his latent mental ability." In fact James had referred more vaguely to our "latent mental energy." Others have claimed that Einstein attributed his intellectual giftedness to ...

Was Einstein's brain different?

He insisted that on his death his brain be made available for research. When Einstein died in 1955, pathologist Thomas Harvey quickly preserved the brain and made samples and sections. He reported that he could see nothing unusual. The variations were within the range of normal human variations.