The theory suggests that people who are left-brain dominant do well in careers that involve linear thinking, math, and verbal information. This includes careers such as accountant, scientist ...

Medically reviewed by Brigid Dwyer, MD The terms "left-brained" and "right-brained" refer to the two hemispheres of the brain's cerebrum. The left hemisphere generally focuses more on speech and ...

A departure from the old theory that the rare disability of "word-blindness" is attributable to congenital weaknesses in controlling the centers of the brain ... of left or mixed dominance ...

but it seemed that the left hemisphere specialized in language processes and the right is dominant in visual-construction tasks. Sperry's work helped chart a map of the brain and opened whole ...

But what's behind her mastery? Is it her build, the years of training she's put in, or... her brain? Follow BI Video: On Twitter More from Science Simone Biles is an extraordinary athlete.

She says this can boost a natural bonding response in the brain and create a stronger ... they tend to hold their babies with their left hand, keeping their dominant hand free.